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openssl-3.1.3: Applied and adjusted our OpenSSL changes to 3.1.2. bugref:10527

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1NEWS
2====
3
4This file gives a brief overview of the major changes between each OpenSSL
5release. For more details please read the CHANGES file.
6
7OpenSSL Releases
8----------------
9
10 - [OpenSSL 3.1](#openssl-31)
11 - [OpenSSL 3.0](#openssl-30)
12 - [OpenSSL 1.1.1](#openssl-111)
13 - [OpenSSL 1.1.0](#openssl-110)
14 - [OpenSSL 1.0.2](#openssl-102)
15 - [OpenSSL 1.0.1](#openssl-101)
16 - [OpenSSL 1.0.0](#openssl-100)
17 - [OpenSSL 0.9.x](#openssl-09x)
18
19OpenSSL 3.1
20-----------
21
22### Major changes between OpenSSL 3.1.2 and OpenSSL 3.1.3 [19 Sep 2023]
23
24 * Fix POLY1305 MAC implementation corrupting XMM registers on Windows
25 ([CVE-2023-4807])
26
27### Major changes between OpenSSL 3.1.1 and OpenSSL 3.1.2 [1 Aug 2023]
28
29 * Fix excessive time spent checking DH q parameter value ([CVE-2023-3817])
30 * Fix DH_check() excessive time with over sized modulus ([CVE-2023-3446])
31 * Do not ignore empty associated data entries with AES-SIV ([CVE-2023-2975])
32 * When building with the `enable-fips` option and using the resulting
33 FIPS provider, TLS 1.2 will, by default, mandate the use of an
34 extended master secret and the Hash and HMAC DRBGs will not operate
35 with truncated digests.
36
37### Major changes between OpenSSL 3.1.0 and OpenSSL 3.1.1 [30 May 2023]
38
39 * Mitigate for very slow `OBJ_obj2txt()` performance with gigantic OBJECT
40 IDENTIFIER sub-identities. ([CVE-2023-2650])
41 * Fixed buffer overread in AES-XTS decryption on ARM 64 bit platforms
42 ([CVE-2023-1255])
43 * Fixed documentation of X509_VERIFY_PARAM_add0_policy() ([CVE-2023-0466])
44 * Fixed handling of invalid certificate policies in leaf certificates
45 ([CVE-2023-0465])
46 * Limited the number of nodes created in a policy tree ([CVE-2023-0464])
47
48### Major changes between OpenSSL 3.0 and OpenSSL 3.1.0 [14 Mar 2023]
49
50 * SSL 3, TLS 1.0, TLS 1.1, and DTLS 1.0 only work at security level 0.
51 * Performance enhancements and new platform support including new
52 assembler code algorithm implementations.
53 * Deprecated LHASH statistics functions.
54 * FIPS 140-3 compliance changes.
55
56OpenSSL 3.0
57-----------
58
59### Major changes between OpenSSL 3.0.7 and OpenSSL 3.0.8 [7 Feb 2023]
60
61 * Fixed NULL dereference during PKCS7 data verification ([CVE-2023-0401])
62 * Fixed X.400 address type confusion in X.509 GeneralName ([CVE-2023-0286])
63 * Fixed NULL dereference validating DSA public key ([CVE-2023-0217])
64 * Fixed Invalid pointer dereference in d2i_PKCS7 functions ([CVE-2023-0216])
65 * Fixed Use-after-free following BIO_new_NDEF ([CVE-2023-0215])
66 * Fixed Double free after calling PEM_read_bio_ex ([CVE-2022-4450])
67 * Fixed Timing Oracle in RSA Decryption ([CVE-2022-4304])
68 * Fixed X.509 Name Constraints Read Buffer Overflow ([CVE-2022-4203])
69 * Fixed X.509 Policy Constraints Double Locking ([CVE-2022-3996])
70
71### Major changes between OpenSSL 3.0.6 and OpenSSL 3.0.7 [1 Nov 2022]
72
73 * Added RIPEMD160 to the default provider.
74 * Fixed regressions introduced in 3.0.6 version.
75 * Fixed two buffer overflows in punycode decoding functions.
76 ([CVE-2022-3786]) and ([CVE-2022-3602])
77
78### Major changes between OpenSSL 3.0.5 and OpenSSL 3.0.6 [11 Oct 2022]
79
80 * Fix for custom ciphers to prevent accidental use of NULL encryption
81 ([CVE-2022-3358])
82
83### Major changes between OpenSSL 3.0.4 and OpenSSL 3.0.5 [5 Jul 2022]
84
85 * Fixed heap memory corruption with RSA private key operation
86 ([CVE-2022-2274])
87 * Fixed AES OCB failure to encrypt some bytes on 32-bit x86 platforms
88 ([CVE-2022-2097])
89
90### Major changes between OpenSSL 3.0.3 and OpenSSL 3.0.4 [21 Jun 2022]
91
92 * Fixed additional bugs in the c_rehash script which was not properly
93 sanitising shell metacharacters to prevent command injection
94 ([CVE-2022-2068])
95
96### Major changes between OpenSSL 3.0.2 and OpenSSL 3.0.3 [3 May 2022]
97
98 * Fixed a bug in the c_rehash script which was not properly sanitising shell
99 metacharacters to prevent command injection ([CVE-2022-1292])
100 * Fixed a bug in the function `OCSP_basic_verify` that verifies the signer
101 certificate on an OCSP response ([CVE-2022-1343])
102 * Fixed a bug where the RC4-MD5 ciphersuite incorrectly used the
103 AAD data as the MAC key ([CVE-2022-1434])
104 * Fix a bug in the OPENSSL_LH_flush() function that breaks reuse of the memory
105 occuppied by the removed hash table entries ([CVE-2022-1473])
106
107### Major changes between OpenSSL 3.0.1 and OpenSSL 3.0.2 [15 Mar 2022]
108
109 * Fixed a bug in the BN_mod_sqrt() function that can cause it to loop forever
110 for non-prime moduli ([CVE-2022-0778])
111
112### Major changes between OpenSSL 3.0.0 and OpenSSL 3.0.1 [14 Dec 2021]
113
114 * Fixed invalid handling of X509_verify_cert() internal errors in libssl
115 ([CVE-2021-4044])
116 * Allow fetching an operation from the provider that owns an unexportable key
117 as a fallback if that is still allowed by the property query.
118
119### Major changes between OpenSSL 1.1.1 and OpenSSL 3.0.0 [7 sep 2021]
120
121 * Enhanced 'openssl list' with many new options.
122 * Added migration guide to man7.
123 * Implemented support for fully "pluggable" TLSv1.3 groups.
124 * Added support for Kernel TLS (KTLS).
125 * Changed the license to the Apache License v2.0.
126 * Moved all variations of the EVP ciphers CAST5, BF, IDEA, SEED, RC2,
127 RC4, RC5, and DES to the legacy provider.
128 * Moved the EVP digests MD2, MD4, MDC2, WHIRLPOOL and RIPEMD-160 to the legacy
129 provider.
130 * Added convenience functions for generating asymmetric key pairs.
131 * Deprecated the `OCSP_REQ_CTX` type and functions.
132 * Deprecated the `EC_KEY` and `EC_KEY_METHOD` types and functions.
133 * Deprecated the `RSA` and `RSA_METHOD` types and functions.
134 * Deprecated the `DSA` and `DSA_METHOD` types and functions.
135 * Deprecated the `DH` and `DH_METHOD` types and functions.
136 * Deprecated the `ERR_load_` functions.
137 * Remove the `RAND_DRBG` API.
138 * Deprecated the `ENGINE` API.
139 * Added `OSSL_LIB_CTX`, a libcrypto library context.
140 * Added various `_ex` functions to the OpenSSL API that support using
141 a non-default `OSSL_LIB_CTX`.
142 * Interactive mode is removed from the 'openssl' program.
143 * The X25519, X448, Ed25519, Ed448, SHAKE128 and SHAKE256 algorithms are
144 included in the FIPS provider.
145 * X509 certificates signed using SHA1 are no longer allowed at security
146 level 1 or higher. The default security level for TLS is 1, so
147 certificates signed using SHA1 are by default no longer trusted to
148 authenticate servers or clients.
149 * enable-crypto-mdebug and enable-crypto-mdebug-backtrace were mostly
150 disabled; the project uses address sanitize/leak-detect instead.
151 * Added a Certificate Management Protocol (CMP, RFC 4210) implementation
152 also covering CRMF (RFC 4211) and HTTP transfer (RFC 6712).
153 It is part of the crypto lib and adds a 'cmp' app with a demo configuration.
154 All widely used CMP features are supported for both clients and servers.
155 * Added a proper HTTP client supporting GET with optional redirection, POST,
156 arbitrary request and response content types, TLS, persistent connections,
157 connections via HTTP(s) proxies, connections and exchange via user-defined
158 BIOs (allowing implicit connections), and timeout checks.
159 * Added util/check-format.pl for checking adherence to the coding guidelines.
160 * Added OSSL_ENCODER, a generic encoder API.
161 * Added OSSL_DECODER, a generic decoder API.
162 * Added OSSL_PARAM_BLD, an easier to use API to OSSL_PARAM.
163 * Added error raising macros, ERR_raise() and ERR_raise_data().
164 * Deprecated ERR_put_error(), ERR_get_error_line(), ERR_get_error_line_data(),
165 ERR_peek_error_line_data(), ERR_peek_last_error_line_data() and
166 ERR_func_error_string().
167 * Added OSSL_PROVIDER_available(), to check provider availability.
168 * Added 'openssl mac' that uses the EVP_MAC API.
169 * Added 'openssl kdf' that uses the EVP_KDF API.
170 * Add OPENSSL_info() and 'openssl info' to get built-in data.
171 * Add support for enabling instrumentation through trace and debug
172 output.
173 * Changed our version number scheme and set the next major release to
174 3.0.0
175 * Added EVP_MAC, an EVP layer MAC API, and a generic EVP_PKEY to EVP_MAC
176 bridge. Supported MACs are: BLAKE2, CMAC, GMAC, HMAC, KMAC, POLY1305
177 and SIPHASH.
178 * Removed the heartbeat message in DTLS feature.
179 * Added EVP_KDF, an EVP layer KDF and PRF API, and a generic EVP_PKEY to
180 EVP_KDF bridge. Supported KDFs are: HKDF, KBKDF, KRB5 KDF, PBKDF2,
181 PKCS12 KDF, SCRYPT, SSH KDF, SSKDF, TLS1 PRF, X9.42 KDF and X9.63 KDF.
182 * All of the low-level MD2, MD4, MD5, MDC2, RIPEMD160, SHA1, SHA224,
183 SHA256, SHA384, SHA512 and Whirlpool digest functions have been
184 deprecated.
185 * All of the low-level AES, Blowfish, Camellia, CAST, DES, IDEA, RC2,
186 RC4, RC5 and SEED cipher functions have been deprecated.
187 * All of the low-level DH, DSA, ECDH, ECDSA and RSA public key functions
188 have been deprecated.
189 * SSL 3, TLS 1.0, TLS 1.1, and DTLS 1.0 only work at security level 0,
190 except when RSA key exchange without SHA1 is used.
191 * Added providers, a new pluggability concept that will replace the
192 ENGINE API and ENGINE implementations.
193
194OpenSSL 1.1.1
195-------------
196
197### Major changes between OpenSSL 1.1.1k and OpenSSL 1.1.1l [24 Aug 2021]
198
199 * Fixed an SM2 Decryption Buffer Overflow ([CVE-2021-3711])
200 * Fixed various read buffer overruns processing ASN.1 strings ([CVE-2021-3712])
201
202### Major changes between OpenSSL 1.1.1j and OpenSSL 1.1.1k [25 Mar 2021]
203
204 * Fixed a problem with verifying a certificate chain when using the
205 X509_V_FLAG_X509_STRICT flag ([CVE-2021-3450])
206 * Fixed an issue where an OpenSSL TLS server may crash if sent a maliciously
207 crafted renegotiation ClientHello message from a client ([CVE-2021-3449])
208
209### Major changes between OpenSSL 1.1.1i and OpenSSL 1.1.1j [16 Feb 2021]
210
211 * Fixed a NULL pointer deref in the X509_issuer_and_serial_hash()
212 function ([CVE-2021-23841])
213 * Fixed the RSA_padding_check_SSLv23() function and the RSA_SSLV23_PADDING
214 padding mode to correctly check for rollback attacks
215 * Fixed an overflow in the EVP_CipherUpdate, EVP_EncryptUpdate and
216 EVP_DecryptUpdate functions ([CVE-2021-23840])
217 * Fixed SRP_Calc_client_key so that it runs in constant time
218
219### Major changes between OpenSSL 1.1.1h and OpenSSL 1.1.1i [8 Dec 2020]
220
221 * Fixed NULL pointer deref in GENERAL_NAME_cmp ([CVE-2020-1971])
222
223### Major changes between OpenSSL 1.1.1g and OpenSSL 1.1.1h [22 Sep 2020]
224
225 * Disallow explicit curve parameters in verifications chains when
226 X509_V_FLAG_X509_STRICT is used
227 * Enable 'MinProtocol' and 'MaxProtocol' to configure both TLS and DTLS
228 contexts
229 * Oracle Developer Studio will start reporting deprecation warnings
230
231### Major changes between OpenSSL 1.1.1f and OpenSSL 1.1.1g [21 Apr 2020]
232
233 * Fixed segmentation fault in SSL_check_chain() ([CVE-2020-1967])
234
235### Major changes between OpenSSL 1.1.1e and OpenSSL 1.1.1f [31 Mar 2020]
236
237 * Revert the unexpected EOF reporting via SSL_ERROR_SSL
238
239### Major changes between OpenSSL 1.1.1d and OpenSSL 1.1.1e [17 Mar 2020]
240
241 * Fixed an overflow bug in the x64_64 Montgomery squaring procedure
242 used in exponentiation with 512-bit moduli ([CVE-2019-1551])
243
244### Major changes between OpenSSL 1.1.1c and OpenSSL 1.1.1d [10 Sep 2019]
245
246 * Fixed a fork protection issue ([CVE-2019-1549])
247 * Fixed a padding oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey
248 ([CVE-2019-1563])
249 * For built-in EC curves, ensure an EC_GROUP built from the curve name is
250 used even when parsing explicit parameters
251 * Compute ECC cofactors if not provided during EC_GROUP construction
252 ([CVE-2019-1547])
253 * Early start up entropy quality from the DEVRANDOM seed source has been
254 improved for older Linux systems
255 * Correct the extended master secret constant on EBCDIC systems
256 * Use Windows installation paths in the mingw builds ([CVE-2019-1552])
257 * Changed DH_check to accept parameters with order q and 2q subgroups
258 * Significantly reduce secure memory usage by the randomness pools
259 * Revert the DEVRANDOM_WAIT feature for Linux systems
260
261### Major changes between OpenSSL 1.1.1b and OpenSSL 1.1.1c [28 May 2019]
262
263 * Prevent over long nonces in ChaCha20-Poly1305 ([CVE-2019-1543])
264
265### Major changes between OpenSSL 1.1.1a and OpenSSL 1.1.1b [26 Feb 2019]
266
267 * Change the info callback signals for the start and end of a post-handshake
268 message exchange in TLSv1.3.
269 * Fix a bug in DTLS over SCTP. This breaks interoperability with older
270 versions of OpenSSL like OpenSSL 1.1.0 and OpenSSL 1.0.2.
271
272### Major changes between OpenSSL 1.1.1 and OpenSSL 1.1.1a [20 Nov 2018]
273
274 * Timing vulnerability in DSA signature generation ([CVE-2018-0734])
275 * Timing vulnerability in ECDSA signature generation ([CVE-2018-0735])
276
277### Major changes between OpenSSL 1.1.0i and OpenSSL 1.1.1 [11 Sep 2018]
278
279 * Support for TLSv1.3 added. The TLSv1.3 implementation includes:
280 * Fully compliant implementation of RFC8446 (TLSv1.3) on by default
281 * Early data (0-RTT)
282 * Post-handshake authentication and key update
283 * Middlebox Compatibility Mode
284 * TLSv1.3 PSKs
285 * Support for all five RFC8446 ciphersuites
286 * RSA-PSS signature algorithms (backported to TLSv1.2)
287 * Configurable session ticket support
288 * Stateless server support
289 * Rewrite of the packet construction code for "safer" packet handling
290 * Rewrite of the extension handling code
291 For further important information, see the [TLS1.3 page](
292 https://wiki.openssl.org/index.php/TLS1.3) in the OpenSSL Wiki.
293
294 * Complete rewrite of the OpenSSL random number generator to introduce the
295 following capabilities
296 * The default RAND method now utilizes an AES-CTR DRBG according to
297 NIST standard SP 800-90Ar1.
298 * Support for multiple DRBG instances with seed chaining.
299 * There is a public and private DRBG instance.
300 * The DRBG instances are fork-safe.
301 * Keep all global DRBG instances on the secure heap if it is enabled.
302 * The public and private DRBG instance are per thread for lock free
303 operation
304 * Support for various new cryptographic algorithms including:
305 * SHA3
306 * SHA512/224 and SHA512/256
307 * EdDSA (both Ed25519 and Ed448) including X509 and TLS support
308 * X448 (adding to the existing X25519 support in 1.1.0)
309 * Multi-prime RSA
310 * SM2
311 * SM3
312 * SM4
313 * SipHash
314 * ARIA (including TLS support)
315 * Significant Side-Channel attack security improvements
316 * Add a new ClientHello callback to provide the ability to adjust the SSL
317 object at an early stage.
318 * Add 'Maximum Fragment Length' TLS extension negotiation and support
319 * A new STORE module, which implements a uniform and URI based reader of
320 stores that can contain keys, certificates, CRLs and numerous other
321 objects.
322 * Move the display of configuration data to configdata.pm.
323 * Allow GNU style "make variables" to be used with Configure.
324 * Claim the namespaces OSSL and OPENSSL, represented as symbol prefixes
325 * Rewrite of devcrypto engine
326
327OpenSSL 1.1.0
328-------------
329
330### Major changes between OpenSSL 1.1.0k and OpenSSL 1.1.0l [10 Sep 2019]
331
332 * Fixed a padding oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey
333 ([CVE-2019-1563])
334 * For built-in EC curves, ensure an EC_GROUP built from the curve name is
335 used even when parsing explicit parameters
336 * Compute ECC cofactors if not provided during EC_GROUP construction
337 ([CVE-2019-1547])
338 * Use Windows installation paths in the mingw builds ([CVE-2019-1552])
339
340### Major changes between OpenSSL 1.1.0j and OpenSSL 1.1.0k [28 May 2019]
341
342 * Prevent over long nonces in ChaCha20-Poly1305 ([CVE-2019-1543])
343
344### Major changes between OpenSSL 1.1.0i and OpenSSL 1.1.0j [20 Nov 2018]
345
346 * Timing vulnerability in DSA signature generation ([CVE-2018-0734])
347 * Timing vulnerability in ECDSA signature generation ([CVE-2018-0735])
348
349### Major changes between OpenSSL 1.1.0h and OpenSSL 1.1.0i [14 Aug 2018]
350
351 * Client DoS due to large DH parameter ([CVE-2018-0732])
352 * Cache timing vulnerability in RSA Key Generation ([CVE-2018-0737])
353
354### Major changes between OpenSSL 1.1.0g and OpenSSL 1.1.0h [27 Mar 2018]
355
356 * Constructed ASN.1 types with a recursive definition could exceed the
357 stack ([CVE-2018-0739])
358 * Incorrect CRYPTO_memcmp on HP-UX PA-RISC ([CVE-2018-0733])
359 * rsaz_1024_mul_avx2 overflow bug on x86_64 ([CVE-2017-3738])
360
361### Major changes between OpenSSL 1.1.0f and OpenSSL 1.1.0g [2 Nov 2017]
362
363 * bn_sqrx8x_internal carry bug on x86_64 ([CVE-2017-3736])
364 * Malformed X.509 IPAddressFamily could cause OOB read ([CVE-2017-3735])
365
366### Major changes between OpenSSL 1.1.0e and OpenSSL 1.1.0f [25 May 2017]
367
368 * config now recognises 64-bit mingw and chooses mingw64 instead of mingw
369
370### Major changes between OpenSSL 1.1.0d and OpenSSL 1.1.0e [16 Feb 2017]
371
372 * Encrypt-Then-Mac renegotiation crash ([CVE-2017-3733])
373
374### Major changes between OpenSSL 1.1.0c and OpenSSL 1.1.0d [26 Jan 2017]
375
376 * Truncated packet could crash via OOB read ([CVE-2017-3731])
377 * Bad (EC)DHE parameters cause a client crash ([CVE-2017-3730])
378 * BN_mod_exp may produce incorrect results on x86_64 ([CVE-2017-3732])
379
380### Major changes between OpenSSL 1.1.0b and OpenSSL 1.1.0c [10 Nov 2016]
381
382 * ChaCha20/Poly1305 heap-buffer-overflow ([CVE-2016-7054])
383 * CMS Null dereference ([CVE-2016-7053])
384 * Montgomery multiplication may produce incorrect results ([CVE-2016-7055])
385
386### Major changes between OpenSSL 1.1.0a and OpenSSL 1.1.0b [26 Sep 2016]
387
388 * Fix Use After Free for large message sizes ([CVE-2016-6309])
389
390### Major changes between OpenSSL 1.1.0 and OpenSSL 1.1.0a [22 Sep 2016]
391
392 * OCSP Status Request extension unbounded memory growth ([CVE-2016-6304])
393 * SSL_peek() hang on empty record ([CVE-2016-6305])
394 * Excessive allocation of memory in tls_get_message_header()
395 ([CVE-2016-6307])
396 * Excessive allocation of memory in dtls1_preprocess_fragment()
397 ([CVE-2016-6308])
398
399### Major changes between OpenSSL 1.0.2h and OpenSSL 1.1.0 [25 Aug 2016]
400
401 * Copyright text was shrunk to a boilerplate that points to the license
402 * "shared" builds are now the default when possible
403 * Added support for "pipelining"
404 * Added the AFALG engine
405 * New threading API implemented
406 * Support for ChaCha20 and Poly1305 added to libcrypto and libssl
407 * Support for extended master secret
408 * CCM ciphersuites
409 * Reworked test suite, now based on perl, Test::Harness and Test::More
410 * *Most* libcrypto and libssl public structures were made opaque,
411 including:
412 BIGNUM and associated types, EC_KEY and EC_KEY_METHOD,
413 DH and DH_METHOD, DSA and DSA_METHOD, RSA and RSA_METHOD,
414 BIO and BIO_METHOD, EVP_MD_CTX, EVP_MD, EVP_CIPHER_CTX,
415 EVP_CIPHER, EVP_PKEY and associated types, HMAC_CTX,
416 X509, X509_CRL, X509_OBJECT, X509_STORE_CTX, X509_STORE,
417 X509_LOOKUP, X509_LOOKUP_METHOD
418 * libssl internal structures made opaque
419 * SSLv2 support removed
420 * Kerberos ciphersuite support removed
421 * RC4 removed from DEFAULT ciphersuites in libssl
422 * 40 and 56 bit cipher support removed from libssl
423 * All public header files moved to include/openssl, no more symlinking
424 * SSL/TLS state machine, version negotiation and record layer rewritten
425 * EC revision: now operations use new EC_KEY_METHOD.
426 * Support for OCB mode added to libcrypto
427 * Support for asynchronous crypto operations added to libcrypto and libssl
428 * Deprecated interfaces can now be disabled at build time either
429 relative to the latest release via the "no-deprecated" Configure
430 argument, or via the "--api=1.1.0|1.0.0|0.9.8" option.
431 * Application software can be compiled with -DOPENSSL_API_COMPAT=version
432 to ensure that features deprecated in that version are not exposed.
433 * Support for RFC6698/RFC7671 DANE TLSA peer authentication
434 * Change of Configure to use --prefix as the main installation
435 directory location rather than --openssldir. The latter becomes
436 the directory for certs, private key and openssl.cnf exclusively.
437 * Reworked BIO networking library, with full support for IPv6.
438 * New "unified" build system
439 * New security levels
440 * Support for scrypt algorithm
441 * Support for X25519
442 * Extended SSL_CONF support using configuration files
443 * KDF algorithm support. Implement TLS PRF as a KDF.
444 * Support for Certificate Transparency
445 * HKDF support.
446
447OpenSSL 1.0.2
448-------------
449
450### Major changes between OpenSSL 1.0.2s and OpenSSL 1.0.2t [10 Sep 2019]
451
452 * Fixed a padding oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey
453 ([CVE-2019-1563])
454 * For built-in EC curves, ensure an EC_GROUP built from the curve name is
455 used even when parsing explicit parameters
456 * Compute ECC cofactors if not provided during EC_GROUP construction
457 ([CVE-2019-1547])
458 * Document issue with installation paths in diverse Windows builds
459 ([CVE-2019-1552])
460
461### Major changes between OpenSSL 1.0.2r and OpenSSL 1.0.2s [28 May 2019]
462
463 * None
464
465### Major changes between OpenSSL 1.0.2q and OpenSSL 1.0.2r [26 Feb 2019]
466
467 * 0-byte record padding oracle ([CVE-2019-1559])
468
469### Major changes between OpenSSL 1.0.2p and OpenSSL 1.0.2q [20 Nov 2018]
470
471 * Microarchitecture timing vulnerability in ECC scalar multiplication ([CVE-2018-5407])
472 * Timing vulnerability in DSA signature generation ([CVE-2018-0734])
473
474### Major changes between OpenSSL 1.0.2o and OpenSSL 1.0.2p [14 Aug 2018]
475
476 * Client DoS due to large DH parameter ([CVE-2018-0732])
477 * Cache timing vulnerability in RSA Key Generation ([CVE-2018-0737])
478
479### Major changes between OpenSSL 1.0.2n and OpenSSL 1.0.2o [27 Mar 2018]
480
481 * Constructed ASN.1 types with a recursive definition could exceed the
482 stack ([CVE-2018-0739])
483
484### Major changes between OpenSSL 1.0.2m and OpenSSL 1.0.2n [7 Dec 2017]
485
486 * Read/write after SSL object in error state ([CVE-2017-3737])
487 * rsaz_1024_mul_avx2 overflow bug on x86_64 ([CVE-2017-3738])
488
489### Major changes between OpenSSL 1.0.2l and OpenSSL 1.0.2m [2 Nov 2017]
490
491 * bn_sqrx8x_internal carry bug on x86_64 ([CVE-2017-3736])
492 * Malformed X.509 IPAddressFamily could cause OOB read ([CVE-2017-3735])
493
494### Major changes between OpenSSL 1.0.2k and OpenSSL 1.0.2l [25 May 2017]
495
496 * config now recognises 64-bit mingw and chooses mingw64 instead of mingw
497
498### Major changes between OpenSSL 1.0.2j and OpenSSL 1.0.2k [26 Jan 2017]
499
500 * Truncated packet could crash via OOB read ([CVE-2017-3731])
501 * BN_mod_exp may produce incorrect results on x86_64 ([CVE-2017-3732])
502 * Montgomery multiplication may produce incorrect results ([CVE-2016-7055])
503
504### Major changes between OpenSSL 1.0.2i and OpenSSL 1.0.2j [26 Sep 2016]
505
506 * Missing CRL sanity check ([CVE-2016-7052])
507
508### Major changes between OpenSSL 1.0.2h and OpenSSL 1.0.2i [22 Sep 2016]
509
510 * OCSP Status Request extension unbounded memory growth ([CVE-2016-6304])
511 * SWEET32 Mitigation ([CVE-2016-2183])
512 * OOB write in MDC2_Update() ([CVE-2016-6303])
513 * Malformed SHA512 ticket DoS ([CVE-2016-6302])
514 * OOB write in BN_bn2dec() ([CVE-2016-2182])
515 * OOB read in TS_OBJ_print_bio() ([CVE-2016-2180])
516 * Pointer arithmetic undefined behaviour ([CVE-2016-2177])
517 * Constant time flag not preserved in DSA signing ([CVE-2016-2178])
518 * DTLS buffered message DoS ([CVE-2016-2179])
519 * DTLS replay protection DoS ([CVE-2016-2181])
520 * Certificate message OOB reads ([CVE-2016-6306])
521
522### Major changes between OpenSSL 1.0.2g and OpenSSL 1.0.2h [3 May 2016]
523
524 * Prevent padding oracle in AES-NI CBC MAC check ([CVE-2016-2107])
525 * Fix EVP_EncodeUpdate overflow ([CVE-2016-2105])
526 * Fix EVP_EncryptUpdate overflow ([CVE-2016-2106])
527 * Prevent ASN.1 BIO excessive memory allocation ([CVE-2016-2109])
528 * EBCDIC overread ([CVE-2016-2176])
529 * Modify behavior of ALPN to invoke callback after SNI/servername
530 callback, such that updates to the SSL_CTX affect ALPN.
531 * Remove LOW from the DEFAULT cipher list. This removes singles DES from
532 the default.
533 * Only remove the SSLv2 methods with the no-ssl2-method option.
534
535### Major changes between OpenSSL 1.0.2f and OpenSSL 1.0.2g [1 Mar 2016]
536
537 * Disable weak ciphers in SSLv3 and up in default builds of OpenSSL.
538 * Disable SSLv2 default build, default negotiation and weak ciphers
539 ([CVE-2016-0800])
540 * Fix a double-free in DSA code ([CVE-2016-0705])
541 * Disable SRP fake user seed to address a server memory leak
542 ([CVE-2016-0798])
543 * Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption
544 ([CVE-2016-0797])
545 * Fix memory issues in BIO_*printf functions ([CVE-2016-0799])
546 * Fix side channel attack on modular exponentiation ([CVE-2016-0702])
547
548### Major changes between OpenSSL 1.0.2e and OpenSSL 1.0.2f [28 Jan 2016]
549
550 * DH small subgroups ([CVE-2016-0701])
551 * SSLv2 doesn't block disabled ciphers ([CVE-2015-3197])
552
553### Major changes between OpenSSL 1.0.2d and OpenSSL 1.0.2e [3 Dec 2015]
554
555 * BN_mod_exp may produce incorrect results on x86_64 ([CVE-2015-3193])
556 * Certificate verify crash with missing PSS parameter ([CVE-2015-3194])
557 * X509_ATTRIBUTE memory leak ([CVE-2015-3195])
558 * Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs
559 * In DSA_generate_parameters_ex, if the provided seed is too short,
560 return an error
561
562### Major changes between OpenSSL 1.0.2c and OpenSSL 1.0.2d [9 Jul 2015]
563
564 * Alternate chains certificate forgery ([CVE-2015-1793])
565 * Race condition handling PSK identify hint ([CVE-2015-3196])
566
567### Major changes between OpenSSL 1.0.2b and OpenSSL 1.0.2c [12 Jun 2015]
568
569 * Fix HMAC ABI incompatibility
570
571### Major changes between OpenSSL 1.0.2a and OpenSSL 1.0.2b [11 Jun 2015]
572
573 * Malformed ECParameters causes infinite loop ([CVE-2015-1788])
574 * Exploitable out-of-bounds read in X509_cmp_time ([CVE-2015-1789])
575 * PKCS7 crash with missing EnvelopedContent ([CVE-2015-1790])
576 * CMS verify infinite loop with unknown hash function ([CVE-2015-1792])
577 * Race condition handling NewSessionTicket ([CVE-2015-1791])
578
579### Major changes between OpenSSL 1.0.2 and OpenSSL 1.0.2a [19 Mar 2015]
580
581 * OpenSSL 1.0.2 ClientHello sigalgs DoS fix ([CVE-2015-0291])
582 * Multiblock corrupted pointer fix ([CVE-2015-0290])
583 * Segmentation fault in DTLSv1_listen fix ([CVE-2015-0207])
584 * Segmentation fault in ASN1_TYPE_cmp fix ([CVE-2015-0286])
585 * Segmentation fault for invalid PSS parameters fix ([CVE-2015-0208])
586 * ASN.1 structure reuse memory corruption fix ([CVE-2015-0287])
587 * PKCS7 NULL pointer dereferences fix ([CVE-2015-0289])
588 * DoS via reachable assert in SSLv2 servers fix ([CVE-2015-0293])
589 * Empty CKE with client auth and DHE fix ([CVE-2015-1787])
590 * Handshake with unseeded PRNG fix ([CVE-2015-0285])
591 * Use After Free following d2i_ECPrivatekey error fix ([CVE-2015-0209])
592 * X509_to_X509_REQ NULL pointer deref fix ([CVE-2015-0288])
593 * Removed the export ciphers from the DEFAULT ciphers
594
595### Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.2 [22 Jan 2015]
596
597 * Suite B support for TLS 1.2 and DTLS 1.2
598 * Support for DTLS 1.2
599 * TLS automatic EC curve selection.
600 * API to set TLS supported signature algorithms and curves
601 * SSL_CONF configuration API.
602 * TLS Brainpool support.
603 * ALPN support.
604 * CMS support for RSA-PSS, RSA-OAEP, ECDH and X9.42 DH.
605
606OpenSSL 1.0.1
607-------------
608
609### Major changes between OpenSSL 1.0.1t and OpenSSL 1.0.1u [22 Sep 2016]
610
611 * OCSP Status Request extension unbounded memory growth ([CVE-2016-6304])
612 * SWEET32 Mitigation ([CVE-2016-2183])
613 * OOB write in MDC2_Update() ([CVE-2016-6303])
614 * Malformed SHA512 ticket DoS ([CVE-2016-6302])
615 * OOB write in BN_bn2dec() ([CVE-2016-2182])
616 * OOB read in TS_OBJ_print_bio() ([CVE-2016-2180])
617 * Pointer arithmetic undefined behaviour ([CVE-2016-2177])
618 * Constant time flag not preserved in DSA signing ([CVE-2016-2178])
619 * DTLS buffered message DoS ([CVE-2016-2179])
620 * DTLS replay protection DoS ([CVE-2016-2181])
621 * Certificate message OOB reads ([CVE-2016-6306])
622
623### Major changes between OpenSSL 1.0.1s and OpenSSL 1.0.1t [3 May 2016]
624
625 * Prevent padding oracle in AES-NI CBC MAC check ([CVE-2016-2107])
626 * Fix EVP_EncodeUpdate overflow ([CVE-2016-2105])
627 * Fix EVP_EncryptUpdate overflow ([CVE-2016-2106])
628 * Prevent ASN.1 BIO excessive memory allocation ([CVE-2016-2109])
629 * EBCDIC overread ([CVE-2016-2176])
630 * Modify behavior of ALPN to invoke callback after SNI/servername
631 callback, such that updates to the SSL_CTX affect ALPN.
632 * Remove LOW from the DEFAULT cipher list. This removes singles DES from
633 the default.
634 * Only remove the SSLv2 methods with the no-ssl2-method option.
635
636### Major changes between OpenSSL 1.0.1r and OpenSSL 1.0.1s [1 Mar 2016]
637
638 * Disable weak ciphers in SSLv3 and up in default builds of OpenSSL.
639 * Disable SSLv2 default build, default negotiation and weak ciphers
640 ([CVE-2016-0800])
641 * Fix a double-free in DSA code ([CVE-2016-0705])
642 * Disable SRP fake user seed to address a server memory leak
643 ([CVE-2016-0798])
644 * Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption
645 ([CVE-2016-0797])
646 * Fix memory issues in BIO_*printf functions ([CVE-2016-0799])
647 * Fix side channel attack on modular exponentiation ([CVE-2016-0702])
648
649### Major changes between OpenSSL 1.0.1q and OpenSSL 1.0.1r [28 Jan 2016]
650
651 * Protection for DH small subgroup attacks
652 * SSLv2 doesn't block disabled ciphers ([CVE-2015-3197])
653
654### Major changes between OpenSSL 1.0.1p and OpenSSL 1.0.1q [3 Dec 2015]
655
656 * Certificate verify crash with missing PSS parameter ([CVE-2015-3194])
657 * X509_ATTRIBUTE memory leak ([CVE-2015-3195])
658 * Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs
659 * In DSA_generate_parameters_ex, if the provided seed is too short,
660 return an error
661
662### Major changes between OpenSSL 1.0.1o and OpenSSL 1.0.1p [9 Jul 2015]
663
664 * Alternate chains certificate forgery ([CVE-2015-1793])
665 * Race condition handling PSK identify hint ([CVE-2015-3196])
666
667### Major changes between OpenSSL 1.0.1n and OpenSSL 1.0.1o [12 Jun 2015]
668
669 * Fix HMAC ABI incompatibility
670
671### Major changes between OpenSSL 1.0.1m and OpenSSL 1.0.1n [11 Jun 2015]
672
673 * Malformed ECParameters causes infinite loop ([CVE-2015-1788])
674 * Exploitable out-of-bounds read in X509_cmp_time ([CVE-2015-1789])
675 * PKCS7 crash with missing EnvelopedContent ([CVE-2015-1790])
676 * CMS verify infinite loop with unknown hash function ([CVE-2015-1792])
677 * Race condition handling NewSessionTicket ([CVE-2015-1791])
678
679### Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.1m [19 Mar 2015]
680
681 * Segmentation fault in ASN1_TYPE_cmp fix ([CVE-2015-0286])
682 * ASN.1 structure reuse memory corruption fix ([CVE-2015-0287])
683 * PKCS7 NULL pointer dereferences fix ([CVE-2015-0289])
684 * DoS via reachable assert in SSLv2 servers fix ([CVE-2015-0293])
685 * Use After Free following d2i_ECPrivatekey error fix ([CVE-2015-0209])
686 * X509_to_X509_REQ NULL pointer deref fix ([CVE-2015-0288])
687 * Removed the export ciphers from the DEFAULT ciphers
688
689### Major changes between OpenSSL 1.0.1k and OpenSSL 1.0.1l [15 Jan 2015]
690
691 * Build fixes for the Windows and OpenVMS platforms
692
693### Major changes between OpenSSL 1.0.1j and OpenSSL 1.0.1k [8 Jan 2015]
694
695 * Fix for [CVE-2014-3571]
696 * Fix for [CVE-2015-0206]
697 * Fix for [CVE-2014-3569]
698 * Fix for [CVE-2014-3572]
699 * Fix for [CVE-2015-0204]
700 * Fix for [CVE-2015-0205]
701 * Fix for [CVE-2014-8275]
702 * Fix for [CVE-2014-3570]
703
704### Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014]
705
706 * Fix for [CVE-2014-3513]
707 * Fix for [CVE-2014-3567]
708 * Mitigation for [CVE-2014-3566] (SSL protocol vulnerability)
709 * Fix for [CVE-2014-3568]
710
711### Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014]
712
713 * Fix for [CVE-2014-3512]
714 * Fix for [CVE-2014-3511]
715 * Fix for [CVE-2014-3510]
716 * Fix for [CVE-2014-3507]
717 * Fix for [CVE-2014-3506]
718 * Fix for [CVE-2014-3505]
719 * Fix for [CVE-2014-3509]
720 * Fix for [CVE-2014-5139]
721 * Fix for [CVE-2014-3508]
722
723### Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014]
724
725 * Fix for [CVE-2014-0224]
726 * Fix for [CVE-2014-0221]
727 * Fix for [CVE-2014-0198]
728 * Fix for [CVE-2014-0195]
729 * Fix for [CVE-2014-3470]
730 * Fix for [CVE-2010-5298]
731
732### Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014]
733
734 * Fix for [CVE-2014-0160]
735 * Add TLS padding extension workaround for broken servers.
736 * Fix for [CVE-2014-0076]
737
738### Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014]
739
740 * Don't include gmt_unix_time in TLS server and client random values
741 * Fix for TLS record tampering bug ([CVE-2013-4353])
742 * Fix for TLS version checking bug ([CVE-2013-6449])
743 * Fix for DTLS retransmission bug ([CVE-2013-6450])
744
745### Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]
746
747 * Corrected fix for ([CVE-2013-0169])
748
749### Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]
750
751 * Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version.
752 * Include the fips configuration module.
753 * Fix OCSP bad key DoS attack ([CVE-2013-0166])
754 * Fix for SSL/TLS/DTLS CBC plaintext recovery attack ([CVE-2013-0169])
755 * Fix for TLS AESNI record handling flaw ([CVE-2012-2686])
756
757### Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]
758
759 * Fix TLS/DTLS record length checking bug ([CVE-2012-2333])
760 * Don't attempt to use non-FIPS composite ciphers in FIPS mode.
761
762### Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]
763
764 * Fix compilation error on non-x86 platforms.
765 * Make FIPS capable OpenSSL ciphers work in non-FIPS mode.
766 * Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0
767
768### Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]
769
770 * Fix for ASN1 overflow bug ([CVE-2012-2110])
771 * Workarounds for some servers that hang on long client hellos.
772 * Fix SEGV in AES code.
773
774### Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]
775
776 * TLS/DTLS heartbeat support.
777 * SCTP support.
778 * RFC 5705 TLS key material exporter.
779 * RFC 5764 DTLS-SRTP negotiation.
780 * Next Protocol Negotiation.
781 * PSS signatures in certificates, requests and CRLs.
782 * Support for password based recipient info for CMS.
783 * Support TLS v1.2 and TLS v1.1.
784 * Preliminary FIPS capability for unvalidated 2.0 FIPS module.
785 * SRP support.
786
787OpenSSL 1.0.0
788-------------
789
790### Major changes between OpenSSL 1.0.0s and OpenSSL 1.0.0t [3 Dec 2015]
791
792 * X509_ATTRIBUTE memory leak (([CVE-2015-3195]))
793 * Race condition handling PSK identify hint ([CVE-2015-3196])
794
795### Major changes between OpenSSL 1.0.0r and OpenSSL 1.0.0s [11 Jun 2015]
796
797 * Malformed ECParameters causes infinite loop ([CVE-2015-1788])
798 * Exploitable out-of-bounds read in X509_cmp_time ([CVE-2015-1789])
799 * PKCS7 crash with missing EnvelopedContent ([CVE-2015-1790])
800 * CMS verify infinite loop with unknown hash function ([CVE-2015-1792])
801 * Race condition handling NewSessionTicket ([CVE-2015-1791])
802
803### Major changes between OpenSSL 1.0.0q and OpenSSL 1.0.0r [19 Mar 2015]
804
805 * Segmentation fault in ASN1_TYPE_cmp fix ([CVE-2015-0286])
806 * ASN.1 structure reuse memory corruption fix ([CVE-2015-0287])
807 * PKCS7 NULL pointer dereferences fix ([CVE-2015-0289])
808 * DoS via reachable assert in SSLv2 servers fix ([CVE-2015-0293])
809 * Use After Free following d2i_ECPrivatekey error fix ([CVE-2015-0209])
810 * X509_to_X509_REQ NULL pointer deref fix ([CVE-2015-0288])
811 * Removed the export ciphers from the DEFAULT ciphers
812
813### Major changes between OpenSSL 1.0.0p and OpenSSL 1.0.0q [15 Jan 2015]
814
815 * Build fixes for the Windows and OpenVMS platforms
816
817### Major changes between OpenSSL 1.0.0o and OpenSSL 1.0.0p [8 Jan 2015]
818
819 * Fix for [CVE-2014-3571]
820 * Fix for [CVE-2015-0206]
821 * Fix for [CVE-2014-3569]
822 * Fix for [CVE-2014-3572]
823 * Fix for [CVE-2015-0204]
824 * Fix for [CVE-2015-0205]
825 * Fix for [CVE-2014-8275]
826 * Fix for [CVE-2014-3570]
827
828### Major changes between OpenSSL 1.0.0n and OpenSSL 1.0.0o [15 Oct 2014]
829
830 * Fix for [CVE-2014-3513]
831 * Fix for [CVE-2014-3567]
832 * Mitigation for [CVE-2014-3566] (SSL protocol vulnerability)
833 * Fix for [CVE-2014-3568]
834
835### Major changes between OpenSSL 1.0.0m and OpenSSL 1.0.0n [6 Aug 2014]
836
837 * Fix for [CVE-2014-3510]
838 * Fix for [CVE-2014-3507]
839 * Fix for [CVE-2014-3506]
840 * Fix for [CVE-2014-3505]
841 * Fix for [CVE-2014-3509]
842 * Fix for [CVE-2014-3508]
843
844 Known issues in OpenSSL 1.0.0m:
845
846 * EAP-FAST and other applications using tls_session_secret_cb
847 won't resume sessions. Fixed in 1.0.0n-dev
848 * Compilation failure of s3_pkt.c on some platforms due to missing
849 `<limits.h>` include. Fixed in 1.0.0n-dev
850
851### Major changes between OpenSSL 1.0.0l and OpenSSL 1.0.0m [5 Jun 2014]
852
853 * Fix for [CVE-2014-0224]
854 * Fix for [CVE-2014-0221]
855 * Fix for [CVE-2014-0198]
856 * Fix for [CVE-2014-0195]
857 * Fix for [CVE-2014-3470]
858 * Fix for [CVE-2014-0076]
859 * Fix for [CVE-2010-5298]
860
861### Major changes between OpenSSL 1.0.0k and OpenSSL 1.0.0l [6 Jan 2014]
862
863 * Fix for DTLS retransmission bug ([CVE-2013-6450])
864
865### Major changes between OpenSSL 1.0.0j and OpenSSL 1.0.0k [5 Feb 2013]
866
867 * Fix for SSL/TLS/DTLS CBC plaintext recovery attack ([CVE-2013-0169])
868 * Fix OCSP bad key DoS attack ([CVE-2013-0166])
869
870### Major changes between OpenSSL 1.0.0i and OpenSSL 1.0.0j [10 May 2012]
871
872 * Fix DTLS record length checking bug ([CVE-2012-2333])
873
874### Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.0i [19 Apr 2012]
875
876 * Fix for ASN1 overflow bug ([CVE-2012-2110])
877
878### Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]
879
880 * Fix for CMS/PKCS#7 MMA ([CVE-2012-0884])
881 * Corrected fix for ([CVE-2011-4619])
882 * Various DTLS fixes.
883
884### Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]
885
886 * Fix for DTLS DoS issue ([CVE-2012-0050])
887
888### Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]
889
890 * Fix for DTLS plaintext recovery attack ([CVE-2011-4108])
891 * Clear block padding bytes of SSL 3.0 records ([CVE-2011-4576])
892 * Only allow one SGC handshake restart for SSL/TLS ([CVE-2011-4619])
893 * Check parameters are not NULL in GOST ENGINE ([CVE-2012-0027])
894 * Check for malformed RFC3779 data ([CVE-2011-4577])
895
896### Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]
897
898 * Fix for CRL vulnerability issue ([CVE-2011-3207])
899 * Fix for ECDH crashes ([CVE-2011-3210])
900 * Protection against EC timing attacks.
901 * Support ECDH ciphersuites for certificates using SHA2 algorithms.
902 * Various DTLS fixes.
903
904### Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]
905
906 * Fix for security issue ([CVE-2011-0014])
907
908### Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]
909
910 * Fix for security issue ([CVE-2010-4180])
911 * Fix for ([CVE-2010-4252])
912 * Fix mishandling of absent EC point format extension.
913 * Fix various platform compilation issues.
914 * Corrected fix for security issue ([CVE-2010-3864]).
915
916### Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]
917
918 * Fix for security issue ([CVE-2010-3864]).
919 * Fix for ([CVE-2010-2939])
920 * Fix WIN32 build system for GOST ENGINE.
921
922### Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]
923
924 * Fix for security issue ([CVE-2010-1633]).
925 * GOST MAC and CFB fixes.
926
927### Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]
928
929 * RFC3280 path validation: sufficient to process PKITS tests.
930 * Integrated support for PVK files and keyblobs.
931 * Change default private key format to PKCS#8.
932 * CMS support: able to process all examples in RFC4134
933 * Streaming ASN1 encode support for PKCS#7 and CMS.
934 * Multiple signer and signer add support for PKCS#7 and CMS.
935 * ASN1 printing support.
936 * Whirlpool hash algorithm added.
937 * RFC3161 time stamp support.
938 * New generalised public key API supporting ENGINE based algorithms.
939 * New generalised public key API utilities.
940 * New ENGINE supporting GOST algorithms.
941 * SSL/TLS GOST ciphersuite support.
942 * PKCS#7 and CMS GOST support.
943 * RFC4279 PSK ciphersuite support.
944 * Supported points format extension for ECC ciphersuites.
945 * ecdsa-with-SHA224/256/384/512 signature types.
946 * dsa-with-SHA224 and dsa-with-SHA256 signature types.
947 * Opaque PRF Input TLS extension support.
948 * Updated time routines to avoid OS limitations.
949
950OpenSSL 0.9.x
951-------------
952
953### Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]
954
955 * CFB cipher definition fixes.
956 * Fix security issues [CVE-2010-0740] and [CVE-2010-0433].
957
958### Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]
959
960 * Cipher definition fixes.
961 * Workaround for slow RAND_poll() on some WIN32 versions.
962 * Remove MD2 from algorithm tables.
963 * SPKAC handling fixes.
964 * Support for RFC5746 TLS renegotiation extension.
965 * Compression memory leak fixed.
966 * Compression session resumption fixed.
967 * Ticket and SNI coexistence fixes.
968 * Many fixes to DTLS handling.
969
970### Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]
971
972 * Temporary work around for [CVE-2009-3555]: disable renegotiation.
973
974### Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]
975
976 * Fix various build issues.
977 * Fix security issues [CVE-2009-0590], [CVE-2009-0591], [CVE-2009-0789]
978
979### Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]
980
981 * Fix security issue ([CVE-2008-5077])
982 * Merge FIPS 140-2 branch code.
983
984### Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]
985
986 * CryptoAPI ENGINE support.
987 * Various precautionary measures.
988 * Fix for bugs affecting certificate request creation.
989 * Support for local machine keyset attribute in PKCS#12 files.
990
991### Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]
992
993 * Backport of CMS functionality to 0.9.8.
994 * Fixes for bugs introduced with 0.9.8f.
995
996### Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]
997
998 * Add gcc 4.2 support.
999 * Add support for AES and SSE2 assembly language optimization
1000 for VC++ build.
1001 * Support for RFC4507bis and server name extensions if explicitly
1002 selected at compile time.
1003 * DTLS improvements.
1004 * RFC4507bis support.
1005 * TLS Extensions support.
1006
1007### Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]
1008
1009 * Various ciphersuite selection fixes.
1010 * RFC3779 support.
1011
1012### Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]
1013
1014 * Introduce limits to prevent malicious key DoS ([CVE-2006-2940])
1015 * Fix security issues [CVE-2006-2937], [CVE-2006-3737], [CVE-2006-4343]
1016 * Changes to ciphersuite selection algorithm
1017
1018### Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]
1019
1020 * Fix Daniel Bleichenbacher forged signature attack, [CVE-2006-4339]
1021 * New cipher Camellia
1022
1023### Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]
1024
1025 * Cipher string fixes.
1026 * Fixes for VC++ 2005.
1027 * Updated ECC cipher suite support.
1028 * New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
1029 * Zlib compression usage fixes.
1030 * Built in dynamic engine compilation support on Win32.
1031 * Fixes auto dynamic engine loading in Win32.
1032
1033### Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]
1034
1035 * Fix potential SSL 2.0 rollback ([CVE-2005-2969])
1036 * Extended Windows CE support
1037
1038### Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]
1039
1040 * Major work on the BIGNUM library for higher efficiency and to
1041 make operations more streamlined and less contradictory. This
1042 is the result of a major audit of the BIGNUM library.
1043 * Addition of BIGNUM functions for fields GF(2^m) and NIST
1044 curves, to support the Elliptic Crypto functions.
1045 * Major work on Elliptic Crypto; ECDH and ECDSA added, including
1046 the use through EVP, X509 and ENGINE.
1047 * New ASN.1 mini-compiler that's usable through the OpenSSL
1048 configuration file.
1049 * Added support for ASN.1 indefinite length constructed encoding.
1050 * New PKCS#12 'medium level' API to manipulate PKCS#12 files.
1051 * Complete rework of shared library construction and linking
1052 programs with shared or static libraries, through a separate
1053 Makefile.shared.
1054 * Rework of the passing of parameters from one Makefile to another.
1055 * Changed ENGINE framework to load dynamic engine modules
1056 automatically from specifically given directories.
1057 * New structure and ASN.1 functions for CertificatePair.
1058 * Changed the ZLIB compression method to be stateful.
1059 * Changed the key-generation and primality testing "progress"
1060 mechanism to take a structure that contains the ticker
1061 function and an argument.
1062 * New engine module: GMP (performs private key exponentiation).
1063 * New engine module: VIA PadLOck ACE extension in VIA C3
1064 Nehemiah processors.
1065 * Added support for IPv6 addresses in certificate extensions.
1066 See RFC 1884, section 2.2.
1067 * Added support for certificate policy mappings, policy
1068 constraints and name constraints.
1069 * Added support for multi-valued AVAs in the OpenSSL
1070 configuration file.
1071 * Added support for multiple certificates with the same subject
1072 in the 'openssl ca' index file.
1073 * Make it possible to create self-signed certificates using
1074 'openssl ca -selfsign'.
1075 * Make it possible to generate a serial number file with
1076 'openssl ca -create_serial'.
1077 * New binary search functions with extended functionality.
1078 * New BUF functions.
1079 * New STORE structure and library to provide an interface to all
1080 sorts of data repositories. Supports storage of public and
1081 private keys, certificates, CRLs, numbers and arbitrary blobs.
1082 This library is unfortunately unfinished and unused within
1083 OpenSSL.
1084 * New control functions for the error stack.
1085 * Changed the PKCS#7 library to support one-pass S/MIME
1086 processing.
1087 * Added the possibility to compile without old deprecated
1088 functionality with the OPENSSL_NO_DEPRECATED macro or the
1089 'no-deprecated' argument to the config and Configure scripts.
1090 * Constification of all ASN.1 conversion functions, and other
1091 affected functions.
1092 * Improved platform support for PowerPC.
1093 * New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
1094 * New X509_VERIFY_PARAM structure to support parameterisation
1095 of X.509 path validation.
1096 * Major overhaul of RC4 performance on Intel P4, IA-64 and
1097 AMD64.
1098 * Changed the Configure script to have some algorithms disabled
1099 by default. Those can be explicitly enabled with the new
1100 argument form 'enable-xxx'.
1101 * Change the default digest in 'openssl' commands from MD5 to
1102 SHA-1.
1103 * Added support for DTLS.
1104 * New BIGNUM blinding.
1105 * Added support for the RSA-PSS encryption scheme
1106 * Added support for the RSA X.931 padding.
1107 * Added support for BSD sockets on NetWare.
1108 * Added support for files larger than 2GB.
1109 * Added initial support for Win64.
1110 * Added alternate pkg-config files.
1111
1112### Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]
1113
1114 * FIPS 1.1.1 module linking.
1115 * Various ciphersuite selection fixes.
1116
1117### Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]
1118
1119 * Introduce limits to prevent malicious key DoS ([CVE-2006-2940])
1120 * Fix security issues [CVE-2006-2937], [CVE-2006-3737], [CVE-2006-4343]
1121
1122### Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]
1123
1124 * Fix Daniel Bleichenbacher forged signature attack, [CVE-2006-4339]
1125
1126### Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]
1127
1128 * Visual C++ 2005 fixes.
1129 * Update Windows build system for FIPS.
1130
1131### Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]
1132
1133 * Give EVP_MAX_MD_SIZE its old value, except for a FIPS build.
1134
1135### Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]
1136
1137 * Fix SSL 2.0 Rollback ([CVE-2005-2969])
1138 * Allow use of fixed-length exponent on DSA signing
1139 * Default fixed-window RSA, DSA, DH private-key operations
1140
1141### Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]
1142
1143 * More compilation issues fixed.
1144 * Adaptation to more modern Kerberos API.
1145 * Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
1146 * Enhanced x86_64 assembler BIGNUM module.
1147 * More constification.
1148 * Added processing of proxy certificates (RFC 3820).
1149
1150### Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]
1151
1152 * Several compilation issues fixed.
1153 * Many memory allocation failure checks added.
1154 * Improved comparison of X509 Name type.
1155 * Mandatory basic checks on certificates.
1156 * Performance improvements.
1157
1158### Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]
1159
1160 * Fix race condition in CRL checking code.
1161 * Fixes to PKCS#7 (S/MIME) code.
1162
1163### Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]
1164
1165 * Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
1166 * Security: Fix null-pointer assignment in do_change_cipher_spec()
1167 * Allow multiple active certificates with same subject in CA index
1168 * Multiple X509 verification fixes
1169 * Speed up HMAC and other operations
1170
1171### Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]
1172
1173 * Security: fix various ASN1 parsing bugs.
1174 * New -ignore_err option to OCSP utility.
1175 * Various interop and bug fixes in S/MIME code.
1176 * SSL/TLS protocol fix for unrequested client certificates.
1177
1178### Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]
1179
1180 * Security: counter the Klima-Pokorny-Rosa extension of
1181 Bleichbacher's attack
1182 * Security: make RSA blinding default.
1183 * Configuration: Irix fixes, AIX fixes, better mingw support.
1184 * Support for new platforms: linux-ia64-ecc.
1185 * Build: shared library support fixes.
1186 * ASN.1: treat domainComponent correctly.
1187 * Documentation: fixes and additions.
1188
1189### Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]
1190
1191 * Security: Important security related bugfixes.
1192 * Enhanced compatibility with MIT Kerberos.
1193 * Can be built without the ENGINE framework.
1194 * IA32 assembler enhancements.
1195 * Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
1196 * Configuration: the no-err option now works properly.
1197 * SSL/TLS: now handles manual certificate chain building.
1198 * SSL/TLS: certain session ID malfunctions corrected.
1199
1200### Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]
1201
1202 * New library section OCSP.
1203 * Complete rewrite of ASN1 code.
1204 * CRL checking in verify code and openssl utility.
1205 * Extension copying in 'ca' utility.
1206 * Flexible display options in 'ca' utility.
1207 * Provisional support for international characters with UTF8.
1208 * Support for external crypto devices ('engine') is no longer
1209 a separate distribution.
1210 * New elliptic curve library section.
1211 * New AES (Rijndael) library section.
1212 * Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
1213 Linux x86_64, Linux 64-bit on Sparc v9
1214 * Extended support for some platforms: VxWorks
1215 * Enhanced support for shared libraries.
1216 * Now only builds PIC code when shared library support is requested.
1217 * Support for pkg-config.
1218 * Lots of new manuals.
1219 * Makes symbolic links to or copies of manuals to cover all described
1220 functions.
1221 * Change DES API to clean up the namespace (some applications link also
1222 against libdes providing similar functions having the same name).
1223 Provide macros for backward compatibility (will be removed in the
1224 future).
1225 * Unify handling of cryptographic algorithms (software and engine)
1226 to be available via EVP routines for asymmetric and symmetric ciphers.
1227 * NCONF: new configuration handling routines.
1228 * Change API to use more 'const' modifiers to improve error checking
1229 and help optimizers.
1230 * Finally remove references to RSAref.
1231 * Reworked parts of the BIGNUM code.
1232 * Support for new engines: Broadcom ubsec, Accelerated Encryption
1233 Processing, IBM 4758.
1234 * A few new engines added in the demos area.
1235 * Extended and corrected OID (object identifier) table.
1236 * PRNG: query at more locations for a random device, automatic query for
1237 EGD style random sources at several locations.
1238 * SSL/TLS: allow optional cipher choice according to server's preference.
1239 * SSL/TLS: allow server to explicitly set new session ids.
1240 * SSL/TLS: support Kerberos cipher suites (RFC2712).
1241 Only supports MIT Kerberos for now.
1242 * SSL/TLS: allow more precise control of renegotiations and sessions.
1243 * SSL/TLS: add callback to retrieve SSL/TLS messages.
1244 * SSL/TLS: support AES cipher suites (RFC3268).
1245
1246### Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]
1247
1248 * Security: fix various ASN1 parsing bugs.
1249 * SSL/TLS protocol fix for unrequested client certificates.
1250
1251### Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]
1252
1253 * Security: counter the Klima-Pokorny-Rosa extension of
1254 Bleichbacher's attack
1255 * Security: make RSA blinding default.
1256 * Build: shared library support fixes.
1257
1258### Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]
1259
1260 * Important security related bugfixes.
1261
1262### Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]
1263
1264 * New configuration targets for Tandem OSS and A/UX.
1265 * New OIDs for Microsoft attributes.
1266 * Better handling of SSL session caching.
1267 * Better comparison of distinguished names.
1268 * Better handling of shared libraries in a mixed GNU/non-GNU environment.
1269 * Support assembler code with Borland C.
1270 * Fixes for length problems.
1271 * Fixes for uninitialised variables.
1272 * Fixes for memory leaks, some unusual crashes and some race conditions.
1273 * Fixes for smaller building problems.
1274 * Updates of manuals, FAQ and other instructive documents.
1275
1276### Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]
1277
1278 * Important building fixes on Unix.
1279
1280### Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]
1281
1282 * Various important bugfixes.
1283
1284### Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]
1285
1286 * Important security related bugfixes.
1287 * Various SSL/TLS library bugfixes.
1288
1289### Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]
1290
1291 * Various SSL/TLS library bugfixes.
1292 * Fix DH parameter generation for 'non-standard' generators.
1293
1294### Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]
1295
1296 * Various SSL/TLS library bugfixes.
1297 * BIGNUM library fixes.
1298 * RSA OAEP and random number generation fixes.
1299 * Object identifiers corrected and added.
1300 * Add assembler BN routines for IA64.
1301 * Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
1302 MIPS Linux; shared library support for Irix, HP-UX.
1303 * Add crypto accelerator support for AEP, Baltimore SureWare,
1304 Broadcom and Cryptographic Appliance's keyserver
1305 [in 0.9.6c-engine release].
1306
1307### Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]
1308
1309 * Security fix: PRNG improvements.
1310 * Security fix: RSA OAEP check.
1311 * Security fix: Reinsert and fix countermeasure to Bleichbacher's
1312 attack.
1313 * MIPS bug fix in BIGNUM.
1314 * Bug fix in "openssl enc".
1315 * Bug fix in X.509 printing routine.
1316 * Bug fix in DSA verification routine and DSA S/MIME verification.
1317 * Bug fix to make PRNG thread-safe.
1318 * Bug fix in RAND_file_name().
1319 * Bug fix in compatibility mode trust settings.
1320 * Bug fix in blowfish EVP.
1321 * Increase default size for BIO buffering filter.
1322 * Compatibility fixes in some scripts.
1323
1324### Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]
1325
1326 * Security fix: change behavior of OpenSSL to avoid using
1327 environment variables when running as root.
1328 * Security fix: check the result of RSA-CRT to reduce the
1329 possibility of deducing the private key from an incorrectly
1330 calculated signature.
1331 * Security fix: prevent Bleichenbacher's DSA attack.
1332 * Security fix: Zero the premaster secret after deriving the
1333 master secret in DH ciphersuites.
1334 * Reimplement SSL_peek(), which had various problems.
1335 * Compatibility fix: the function des_encrypt() renamed to
1336 des_encrypt1() to avoid clashes with some Unixen libc.
1337 * Bug fixes for Win32, HP/UX and Irix.
1338 * Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
1339 memory checking routines.
1340 * Bug fixes for RSA operations in threaded environments.
1341 * Bug fixes in misc. openssl applications.
1342 * Remove a few potential memory leaks.
1343 * Add tighter checks of BIGNUM routines.
1344 * Shared library support has been reworked for generality.
1345 * More documentation.
1346 * New function BN_rand_range().
1347 * Add "-rand" option to openssl s_client and s_server.
1348
1349### Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]
1350
1351 * Some documentation for BIO and SSL libraries.
1352 * Enhanced chain verification using key identifiers.
1353 * New sign and verify options to 'dgst' application.
1354 * Support for DER and PEM encoded messages in 'smime' application.
1355 * New 'rsautl' application, low-level RSA utility.
1356 * MD4 now included.
1357 * Bugfix for SSL rollback padding check.
1358 * Support for external crypto devices [1].
1359 * Enhanced EVP interface.
1360
1361 [1] The support for external crypto devices is currently a separate
1362 distribution. See the file README-Engine.md.
1363
1364### Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]
1365
1366 * Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
1367 * Shared library support for HPUX and Solaris-gcc
1368 * Support of Linux/IA64
1369 * Assembler support for Mingw32
1370 * New 'rand' application
1371 * New way to check for existence of algorithms from scripts
1372
1373### Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]
1374
1375 * S/MIME support in new 'smime' command
1376 * Documentation for the OpenSSL command line application
1377 * Automation of 'req' application
1378 * Fixes to make s_client, s_server work under Windows
1379 * Support for multiple fieldnames in SPKACs
1380 * New SPKAC command line utility and associated library functions
1381 * Options to allow passwords to be obtained from various sources
1382 * New public key PEM format and options to handle it
1383 * Many other fixes and enhancements to command line utilities
1384 * Usable certificate chain verification
1385 * Certificate purpose checking
1386 * Certificate trust settings
1387 * Support of authority information access extension
1388 * Extensions in certificate requests
1389 * Simplified X509 name and attribute routines
1390 * Initial (incomplete) support for international character sets
1391 * New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
1392 * Read only memory BIOs and simplified creation function
1393 * TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
1394 record; allow fragmentation and interleaving of handshake and other
1395 data
1396 * TLS/SSL code now "tolerates" MS SGC
1397 * Work around for Netscape client certificate hang bug
1398 * RSA_NULL option that removes RSA patent code but keeps other
1399 RSA functionality
1400 * Memory leak detection now allows applications to add extra information
1401 via a per-thread stack
1402 * PRNG robustness improved
1403 * EGD support
1404 * BIGNUM library bug fixes
1405 * Faster DSA parameter generation
1406 * Enhanced support for Alpha Linux
1407 * Experimental macOS support
1408
1409### Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]
1410
1411 * Transparent support for PKCS#8 format private keys: these are used
1412 by several software packages and are more secure than the standard
1413 form
1414 * PKCS#5 v2.0 implementation
1415 * Password callbacks have a new void * argument for application data
1416 * Avoid various memory leaks
1417 * New pipe-like BIO that allows using the SSL library when actual I/O
1418 must be handled by the application (BIO pair)
1419
1420### Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]
1421
1422 * Lots of enhancements and cleanups to the Configuration mechanism
1423 * RSA OEAP related fixes
1424 * Added "openssl ca -revoke" option for revoking a certificate
1425 * Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
1426 * Source tree cleanups: removed lots of obsolete files
1427 * Thawte SXNet, certificate policies and CRL distribution points
1428 extension support
1429 * Preliminary (experimental) S/MIME support
1430 * Support for ASN.1 UTF8String and VisibleString
1431 * Full integration of PKCS#12 code
1432 * Sparc assembler bignum implementation, optimized hash functions
1433 * Option to disable selected ciphers
1434
1435### Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]
1436
1437 * Fixed a security hole related to session resumption
1438 * Fixed RSA encryption routines for the p < q case
1439 * "ALL" in cipher lists now means "everything except NULL ciphers"
1440 * Support for Triple-DES CBCM cipher
1441 * Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
1442 * First support for new TLSv1 ciphers
1443 * Added a few new BIOs (syslog BIO, reliable BIO)
1444 * Extended support for DSA certificate/keys.
1445 * Extended support for Certificate Signing Requests (CSR)
1446 * Initial support for X.509v3 extensions
1447 * Extended support for compression inside the SSL record layer
1448 * Overhauled Win32 builds
1449 * Cleanups and fixes to the Big Number (BN) library
1450 * Support for ASN.1 GeneralizedTime
1451 * Splitted ASN.1 SETs from SEQUENCEs
1452 * ASN1 and PEM support for Netscape Certificate Sequences
1453 * Overhauled Perl interface
1454 * Lots of source tree cleanups.
1455 * Lots of memory leak fixes.
1456 * Lots of bug fixes.
1457
1458### Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]
1459
1460 * Integration of the popular NO_RSA/NO_DSA patches
1461 * Initial support for compression inside the SSL record layer
1462 * Added BIO proxy and filtering functionality
1463 * Extended Big Number (BN) library
1464 * Added RIPE MD160 message digest
1465 * Added support for RC2/64bit cipher
1466 * Extended ASN.1 parser routines
1467 * Adjustments of the source tree for CVS
1468 * Support for various new platforms
1469
1470<!-- Links -->
1471
1472[CVE-2023-4807]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-4807
1473[CVE-2023-3817]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-3817
1474[CVE-2023-3446]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-3446
1475[CVE-2023-2975]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-2975
1476[CVE-2023-2650]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-2650
1477[CVE-2023-1255]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-1255
1478[CVE-2023-0466]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0466
1479[CVE-2023-0465]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0465
1480[CVE-2023-0464]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0464
1481[CVE-2023-0401]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0401
1482[CVE-2023-0286]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0286
1483[CVE-2023-0217]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0217
1484[CVE-2023-0216]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0216
1485[CVE-2023-0215]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0215
1486[CVE-2022-4450]: https://www.openssl.org/news/vulnerabilities.html#CVE-2022-4450
1487[CVE-2022-4304]: https://www.openssl.org/news/vulnerabilities.html#CVE-2022-4304
1488[CVE-2022-4203]: https://www.openssl.org/news/vulnerabilities.html#CVE-2022-4203
1489[CVE-2022-3996]: https://www.openssl.org/news/vulnerabilities.html#CVE-2022-3996
1490[CVE-2022-2274]: https://www.openssl.org/news/vulnerabilities.html#CVE-2022-2274
1491[CVE-2022-2097]: https://www.openssl.org/news/vulnerabilities.html#CVE-2022-2097
1492[CVE-2020-1971]: https://www.openssl.org/news/vulnerabilities.html#CVE-2020-1971
1493[CVE-2020-1967]: https://www.openssl.org/news/vulnerabilities.html#CVE-2020-1967
1494[CVE-2019-1563]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1563
1495[CVE-2019-1559]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1559
1496[CVE-2019-1552]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1552
1497[CVE-2019-1551]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1551
1498[CVE-2019-1549]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1549
1499[CVE-2019-1547]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1547
1500[CVE-2019-1543]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1543
1501[CVE-2018-5407]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-5407
1502[CVE-2018-0739]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0739
1503[CVE-2018-0737]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0737
1504[CVE-2018-0735]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0735
1505[CVE-2018-0734]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0734
1506[CVE-2018-0733]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0733
1507[CVE-2018-0732]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0732
1508[CVE-2017-3738]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3738
1509[CVE-2017-3737]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3737
1510[CVE-2017-3736]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3736
1511[CVE-2017-3735]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3735
1512[CVE-2017-3733]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3733
1513[CVE-2017-3732]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3732
1514[CVE-2017-3731]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3731
1515[CVE-2017-3730]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3730
1516[CVE-2016-7055]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-7055
1517[CVE-2016-7054]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-7054
1518[CVE-2016-7053]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-7053
1519[CVE-2016-7052]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-7052
1520[CVE-2016-6309]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6309
1521[CVE-2016-6308]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6308
1522[CVE-2016-6307]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6307
1523[CVE-2016-6306]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6306
1524[CVE-2016-6305]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6305
1525[CVE-2016-6304]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6304
1526[CVE-2016-6303]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6303
1527[CVE-2016-6302]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6302
1528[CVE-2016-2183]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2183
1529[CVE-2016-2182]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2182
1530[CVE-2016-2181]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2181
1531[CVE-2016-2180]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2180
1532[CVE-2016-2179]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2179
1533[CVE-2016-2178]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2178
1534[CVE-2016-2177]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2177
1535[CVE-2016-2176]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2176
1536[CVE-2016-2109]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2109
1537[CVE-2016-2107]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2107
1538[CVE-2016-2106]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2106
1539[CVE-2016-2105]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2105
1540[CVE-2016-0800]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0800
1541[CVE-2016-0799]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0799
1542[CVE-2016-0798]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0798
1543[CVE-2016-0797]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0797
1544[CVE-2016-0705]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0705
1545[CVE-2016-0702]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0702
1546[CVE-2016-0701]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0701
1547[CVE-2015-3197]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3197
1548[CVE-2015-3196]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3196
1549[CVE-2015-3195]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3195
1550[CVE-2015-3194]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3194
1551[CVE-2015-3193]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3193
1552[CVE-2015-1793]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1793
1553[CVE-2015-1792]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1792
1554[CVE-2015-1791]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1791
1555[CVE-2015-1790]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1790
1556[CVE-2015-1789]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1789
1557[CVE-2015-1788]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1788
1558[CVE-2015-1787]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1787
1559[CVE-2015-0293]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0293
1560[CVE-2015-0291]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0291
1561[CVE-2015-0290]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0290
1562[CVE-2015-0289]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0289
1563[CVE-2015-0288]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0288
1564[CVE-2015-0287]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0287
1565[CVE-2015-0286]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0286
1566[CVE-2015-0285]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0285
1567[CVE-2015-0209]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0209
1568[CVE-2015-0208]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0208
1569[CVE-2015-0207]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0207
1570[CVE-2015-0206]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0206
1571[CVE-2015-0205]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0205
1572[CVE-2015-0204]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0204
1573[CVE-2014-8275]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-8275
1574[CVE-2014-5139]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-5139
1575[CVE-2014-3572]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3572
1576[CVE-2014-3571]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3571
1577[CVE-2014-3570]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3570
1578[CVE-2014-3569]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3569
1579[CVE-2014-3568]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3568
1580[CVE-2014-3567]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3567
1581[CVE-2014-3566]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3566
1582[CVE-2014-3513]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3513
1583[CVE-2014-3512]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3512
1584[CVE-2014-3511]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3511
1585[CVE-2014-3510]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3510
1586[CVE-2014-3509]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3509
1587[CVE-2014-3508]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3508
1588[CVE-2014-3507]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3507
1589[CVE-2014-3506]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3506
1590[CVE-2014-3505]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3505
1591[CVE-2014-3470]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3470
1592[CVE-2014-0224]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0224
1593[CVE-2014-0221]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0221
1594[CVE-2014-0198]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0198
1595[CVE-2014-0195]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0195
1596[CVE-2014-0160]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0160
1597[CVE-2014-0076]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0076
1598[CVE-2013-6450]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-6450
1599[CVE-2013-6449]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-6449
1600[CVE-2013-4353]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-4353
1601[CVE-2013-0169]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-0169
1602[CVE-2013-0166]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-0166
1603[CVE-2012-2686]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-2686
1604[CVE-2012-2333]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-2333
1605[CVE-2012-2110]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-2110
1606[CVE-2012-0884]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-0884
1607[CVE-2012-0050]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-0050
1608[CVE-2012-0027]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-0027
1609[CVE-2011-4619]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-4619
1610[CVE-2011-4577]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-4577
1611[CVE-2011-4576]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-4576
1612[CVE-2011-4108]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-4108
1613[CVE-2011-3210]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-3210
1614[CVE-2011-3207]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-3207
1615[CVE-2011-0014]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-0014
1616[CVE-2010-5298]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-5298
1617[CVE-2010-4252]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-4252
1618[CVE-2010-4180]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-4180
1619[CVE-2010-3864]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-3864
1620[CVE-2010-2939]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-2939
1621[CVE-2010-1633]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-1633
1622[CVE-2010-0740]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-0740
1623[CVE-2010-0433]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-0433
1624[CVE-2009-3555]: https://www.openssl.org/news/vulnerabilities.html#CVE-2009-3555
1625[CVE-2009-0789]: https://www.openssl.org/news/vulnerabilities.html#CVE-2009-0789
1626[CVE-2009-0591]: https://www.openssl.org/news/vulnerabilities.html#CVE-2009-0591
1627[CVE-2009-0590]: https://www.openssl.org/news/vulnerabilities.html#CVE-2009-0590
1628[CVE-2008-5077]: https://www.openssl.org/news/vulnerabilities.html#CVE-2008-5077
1629[CVE-2006-4343]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-4343
1630[CVE-2006-4339]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-4339
1631[CVE-2006-3737]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-3737
1632[CVE-2006-2940]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-2940
1633[CVE-2006-2937]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-2937
1634[CVE-2005-2969]: https://www.openssl.org/news/vulnerabilities.html#CVE-2005-2969
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