OP
Product
OpenSSL
by OpenSSL · last CVE Sep 29, 2026
On CISA KEVExploited in the wild
317
CVEs
1
On KEV
9.8
Max CVSS
14
New 30D
Severity mix
Critical 17High 87Medium 74Low 13
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2012-0884
–
13%
Mar 13
The implementation of Cryptographic Message Syntax (CMS) and PKCS #7 in OpenSSL before 0.9.8u and 1.x before 1.0.0h does not properly restrict certain oracle behavior, which makes…
Affected: through 0.9.8t; 0.9.0b; 0.9.1b; 0.9.1c; 0.9.2b; 0.9.3; +34 more
CVE-2006-7250
–
7%
Feb 29
The mime_hdr_cmp function in crypto/asn1/asn_mime.c in OpenSSL 0.9.8t and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and application…
Affected: through 0.9.8t; 0.9.1c; 0.9.2b; 0.9.3; 0.9.3a; 0.9.4; +34 more
CVE-2011-4354
–
3%
Jan 27
crypto/bn/bn_nist.c in OpenSSL before 0.9.8h on 32-bit platforms, as used in stunnel and other products, in certain circumstances involving ECDH or ECDHE cipher suites, uses an…
Affected: through 0.9.8g; 0.9.1c; 0.9.2b; 0.9.3; 0.9.3a; 0.9.4; +34 more
CVE-2012-0050
–
14%
Jan 19
OpenSSL 0.9.8s and 1.0.0f does not properly support DTLS applications, which allows remote attackers to cause a denial of service (crash) via unspecified vectors related to an…
Affected: 0.9.8s; 1.0.0f
CVE-2012-0027
–
5%
Jan 6
The GOST ENGINE in OpenSSL before 1.0.0f does not properly handle invalid parameters for the GOST block cipher, which allows remote attackers to cause a denial of service (daemon…
Affected: through 1.0.0e; 0.9.1c; 0.9.2b; 0.9.3; 0.9.3a; 0.9.4; +34 more
CVE-2011-4619
–
18%
Jan 6
The Server Gated Cryptography (SGC) implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly handle handshake restarts, which allows remote attackers to…
Affected: through 0.9.8r; 0.9.1c; 0.9.2b; 0.9.4; 0.9.5; 0.9.5a; +34 more
CVE-2011-4577
–
8%
Jan 6
OpenSSL before 0.9.8s and 1.x before 1.0.0f, when RFC 3779 support is enabled, allows remote attackers to cause a denial of service (assertion failure) via an X.509 certificate…
Affected: through 0.9.8r; 0.9.1c; 0.9.2b; 0.9.4; 0.9.5; 0.9.5a; +34 more
CVE-2011-4576
–
16%
Jan 6
The SSL 3.0 implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly initialize data structures for block cipher padding, which might allow remote attackers…
Affected: through 0.9.8r; 0.9.1c; 0.9.2b; 0.9.4; 0.9.5; 0.9.5a; +34 more
CVE-2011-4109
–
17%
Jan 6
Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK is enabled, allows remote attackers to have an unspecified impact by triggering failure of…
Affected: 0.9.8; 0.9.8a; 0.9.8b; 0.9.8c; 0.9.8d; 0.9.8e; +13 more
CVE-2011-4108
–
16%
Jan 6
The DTLS implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f performs a MAC check only if certain padding is valid, which makes it easier for remote attackers to recover…
Affected: through 0.9.8r; 0.9.1c; 0.9.2b; 0.9.4; 0.9.5; 0.9.5a; +34 more
CVE-2011-3210
–
5%
Sep 22
The ephemeral ECDH ciphersuite functionality in OpenSSL 0.9.8 through 0.9.8r and 1.0.x before 1.0.0e does not ensure thread safety during processing of handshake messages from…
Affected: 0.9.8; 0.9.8a; 0.9.8b; 0.9.8c; 0.9.8d; 0.9.8e; +24 more
CVE-2011-3207
–
4%
Sep 22
crypto/x509/x509_vfy.c in OpenSSL 1.0.x before 1.0.0e does not initialize certain structure members, which makes it easier for remote attackers to bypass CRL validation by using a…
Affected: 1.0.0; 1.0.0; 1.0.0; 1.0.0; 1.0.0; 1.0.0; +4 more
CVE-2011-1945
–
3%
May 31
The elliptic curve cryptography (ECC) subsystem in OpenSSL 1.0.0d and earlier, when the Elliptic Curve Digital Signature Algorithm (ECDSA) is used for the ECDHE_ECDSA cipher…
Affected: through 1.0.0d; 0.9.1c; 0.9.2b; 0.9.3; 0.9.3a; 0.9.4; +34 more
CVE-2011-0014
–
10%
Feb 18
ssl/t1_lib.c in OpenSSL 0.9.8h through 0.9.8q and 1.0.0 through 1.0.0c allows remote attackers to cause a denial of service (crash), and possibly obtain sensitive information in…
Affected: 0.9.8h; 0.9.8i; 0.9.8j; 0.9.8k; 0.9.8l; 0.9.8m; +13 more
CVE-2008-7270
–
3%
Dec 6
OpenSSL before 0.9.8j, when SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG is enabled, does not prevent modification of the ciphersuite in the session cache, which allows remote…
Affected: through 0.9.8i; 0.9.1c; 0.9.2b; 0.9.3; 0.9.3a; 0.9.4; +34 more
CVE-2010-4180
–
9%
Dec 6
OpenSSL before 0.9.8q, and 1.0.x before 1.0.0c, when SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG is enabled, does not properly prevent modification of the ciphersuite in the session…
Affected: before 0.9.8q; 1.0.0 before 1.0.0c
CVE-2010-4252
–
8%
Dec 6
OpenSSL before 1.0.0c, when J-PAKE is enabled, does not properly validate the public parameters in the J-PAKE protocol, which allows remote attackers to bypass the need for…
Affected: through 1.0.0b; 0.9.1c; 0.9.2b; 0.9.3; 0.9.3a; 0.9.4; +34 more
CVE-2010-3864
–
22%
Nov 17
Multiple race conditions in ssl/t1_lib.c in OpenSSL 0.9.8f through 0.9.8o, 1.0.0, and 1.0.0a, when multi-threading and internal caching are enabled on a TLS server, might allow…
Affected: 0.9.8f; 0.9.8g; 0.9.8h; 0.9.8i; 0.9.8j; 0.9.8k; +6 more
CVE-2010-2939
–
10%
Aug 17
Double free vulnerability in the ssl3_get_key_exchange function in the OpenSSL client (ssl/s3_clnt.c) in OpenSSL 1.0.0a, 0.9.8, 0.9.7, and possibly other versions, when using…
Affected: 0.9.7; 0.9.8; 1.0.0a
CVE-2010-1633
–
2%
Jun 3
RSA verification recovery in the EVP_PKEY_verify_recover function in OpenSSL 1.x before 1.0.0a, as used by pkeyutl and possibly other applications, returns uninitialized memory…
Affected: 1.0.0; 1.0.0; 1.0.0; 1.0.0; 1.0.0; 1.0.0
CVE-2010-0742
–
8%
Jun 3
The Cryptographic Message Syntax (CMS) implementation in crypto/cms/cms_asn1.c in OpenSSL before 0.9.8o and 1.x before 1.0.0a does not properly handle structures that contain…
Affected: through 0.9.8n; 0.9.1c; 0.9.2b; 0.9.3; 0.9.3a; 0.9.4; +34 more
CVE-2010-0740
–
20%
Mar 26
The ssl3_get_record function in ssl/s3_pkt.c in OpenSSL 0.9.8f through 0.9.8m allows remote attackers to cause a denial of service (crash) via a malformed record in a TLS…
Affected: 0.9.8f; 0.9.8g; 0.9.8h; 0.9.8i; 0.9.8j; 0.9.8k; +2 more
CVE-2010-0433
–
8%
Mar 5
The kssl_keytab_is_available function in ssl/kssl.c in OpenSSL before 0.9.8n, when Kerberos is enabled but Kerberos configuration files cannot be opened, does not check a certain…
Affected: through 0.9.8m; 0.9.8; 0.9.8a; 0.9.8b; 0.9.8c; 0.9.8d; +8 more
CVE-2009-3245
–
6%
Mar 5
OpenSSL before 0.9.8m does not check for a NULL return value from bn_wexpand function calls in (1) crypto/bn/bn_div.c, (2) crypto/bn/bn_gf2m.c, (3) crypto/ec/ec2_smpl.c, and (4)…
Affected: through 0.9.8l; 0.9.8; 0.9.8a; 0.9.8b; 0.9.8c; 0.9.8d; +7 more
CVE-2010-0928
–
1%
Mar 5
OpenSSL 0.9.8i on the Gaisler Research LEON3 SoC on the Xilinx Virtex-II Pro FPGA uses a Fixed Width Exponentiation (FWE) algorithm for certain signature calculations, and does…
Affected: 0.9.8i
CVE-2009-4355
–
9%
Jan 14
Memory leak in the zlib_stateful_finish function in crypto/comp/c_zlib.c in OpenSSL 0.9.8l and earlier and 1.0.0 Beta through Beta 4 allows remote attackers to cause a denial of…
Affected: through 0.9.8l; 0.9.1c; 0.9.2b; 0.9.3; 0.9.3a; 0.9.4; +34 more
CVE-2009-2409
–
4%
Jul 30
The Network Security Services (NSS) library before 3.12.3, as used in Firefox; GnuTLS before 2.6.4 and 2.7.4; OpenSSL 0.9.8 through 0.9.8k; and other products support MD2 with…
Affected: 0.9.8 through 0.9.8k
CVE-2009-1387
–
10%
Jun 4
The dtls1_retrieve_buffered_fragment function in ssl/d1_both.c in OpenSSL before 1.0.0 Beta 2 allows remote attackers to cause a denial of service (NULL pointer dereference and…
Affected: 0.9.8 before 0.9.8m
CVE-2009-1386
–
80%
Jun 4
ssl/s3_pkt.c in OpenSSL before 0.9.8i allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a DTLS ChangeCipherSpec packet that…
Affected: after 0.9.8 before 0.9.8i
CVE-2009-1379
–
18%
May 19
Use-after-free vulnerability in the dtls1_retrieve_buffered_fragment function in ssl/d1_both.c in OpenSSL 1.0.0 Beta 2 allows remote attackers to cause a denial of service…
Affected: 1.0.0
CVE-2009-1378
–
13%
May 19
Multiple memory leaks in the dtls1_process_out_of_seq_message function in ssl/d1_both.c in OpenSSL 0.9.8k and earlier 0.9.8 versions allow remote attackers to cause a denial of…
Affected: after 0.9.8 before 0.9.8m
CVE-2009-1377
–
11%
May 19
The dtls1_buffer_record function in ssl/d1_pkt.c in OpenSSL 0.9.8k and earlier 0.9.8 versions allows remote attackers to cause a denial of service (memory consumption) via a large…
Affected: 0.9.8 before 0.9.8m
CVE-2009-0789
–
3%
Mar 27
OpenSSL before 0.9.8k on WIN64 and certain other platforms does not properly handle a malformed ASN.1 structure, which allows remote attackers to cause a denial of service…
Affected: through 0.9.8j; 0.9.1c; 0.9.2b; 0.9.3; 0.9.3a; 0.9.4; +34 more
CVE-2009-0591
–
3%
Mar 27
The CMS_verify function in OpenSSL 0.9.8h through 0.9.8j, when CMS is enabled, does not properly handle errors associated with malformed signed attributes, which allows remote…
Affected: 0.9.8h; 0.9.8i; 0.9.8j
CVE-2009-0590
–
7%
Mar 27
The ASN1_STRING_print_ex function in OpenSSL before 0.9.8k allows remote attackers to cause a denial of service (invalid memory access and application crash) via vectors that…
Affected: before 0.9.8k
CVE-2009-0653
–
1%
Feb 20
OpenSSL, probably 0.9.6, does not verify the Basic Constraints for an intermediate CA-signed certificate, which allows remote attackers to spoof the certificates of trusted sites…
Affected: 0.9.6
CVE-2008-5077
–
5%
Jan 7
OpenSSL 0.9.8i and earlier does not properly check the return value from the EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain…
Affected: through 0.9.8h; 0.9.1c; 0.9.2b; 0.9.3; 0.9.3a; 0.9.4; +34 more
CVE-2008-1678
–
5%
Jul 10
Memory leak in the zlib_stateful_init function in crypto/comp/c_zlib.c in libssl in OpenSSL 0.9.8f through 0.9.8h allows remote attackers to cause a denial of service (memory…
Affected: 0.9.8f; 0.9.8g; 0.9.8h
CVE-2008-1672
–
5%
May 29
OpenSSL 0.9.8f and 0.9.8g allows remote attackers to cause a denial of service (crash) via a TLS handshake that omits the Server Key Exchange message and uses "particular cipher…
Affected: 0.9.8f; 0.9.8g
CVE-2008-0891
–
4%
May 29
Double free vulnerability in OpenSSL 0.9.8f and 0.9.8g, when the TLS server name extensions are enabled, allows remote attackers to cause a denial of service (crash) via a…
Affected: 0.9.8f; 0.9.8g
CVE-2007-4995
–
11%
Oct 13
Off-by-one error in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8f allows remote attackers to execute arbitrary code via unspecified vectors
Affected: 0.9.8; 0.9.8a; 0.9.8b; 0.9.8c; 0.9.8d; 0.9.8e
CVE-2007-5135
–
16%
Sep 27
Off-by-one error in the SSL_get_shared_ciphers function in OpenSSL 0.9.7 up to 0.9.7l, and 0.9.8 up to 0.9.8f, might allow remote attackers to execute arbitrary code via a crafted…
Affected: 0.9.7; 0.9.7; 0.9.7; 0.9.7; 0.9.7; 0.9.7; +20 more
CVE-2007-3108
–
0%
Aug 8
The BN_from_montgomery function in crypto/bn/bn_mont.c in OpenSSL 0.9.8e and earlier does not properly perform Montgomery multiplication, which might allow local users to conduct…
Affected: through 0.9.8e
CVE-2006-2940
–
5%
Sep 28
OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions allows attackers to cause a denial of service (CPU consumption) via parasitic public keys with large (1)…
Affected: 0.9.1c; 0.9.2b; 0.9.3; 0.9.3a; 0.9.4; 0.9.5; +34 more
CVE-2006-4343
–
19%
Sep 28
The get_server_hello function in the SSLv2 client code in OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions allows remote servers to cause a denial of service…
Affected: 0.9.7; 0.9.7a; 0.9.7b; 0.9.7c; 0.9.7d; 0.9.7e; +10 more
CVE-2006-3738
–
50%
Sep 28
Buffer overflow in the SSL_get_shared_ciphers function in OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions has unspecified impact and remote attack vectors…
Affected: 0.9.7; 0.9.7a; 0.9.7b; 0.9.7c; 0.9.7d; 0.9.7e; +10 more
CVE-2006-2937
–
11%
Sep 28
OpenSSL 0.9.7 before 0.9.7l and 0.9.8 before 0.9.8d allows remote attackers to cause a denial of service (infinite loop and memory consumption) via malformed ASN.1 structures that…
Affected: 0.9.7; 0.9.7a; 0.9.7b; 0.9.7c; 0.9.7d; 0.9.7e; +10 more
CVE-2006-4339
–
5%
Sep 5
OpenSSL before 0.9.7, 0.9.7 before 0.9.7k, and 0.9.8 before 0.9.8c, when using an RSA key with exponent 3, removes PKCS-1 padding before generating a hash, which allows remote…
Affected: through 0.9.7; 0.9.1c; 0.9.2b; 0.9.3; 0.9.3a; 0.9.4; +34 more
CVE-2005-2969
–
5%
Oct 18
The SSL/TLS server implementation in OpenSSL 0.9.7 before 0.9.7h and 0.9.8 before 0.9.8a, when using the SSL_OP_MSIE_SSLV2_RSA_PADDING option, disables a verification step that is…
Affected: 0.9.7; 0.9.7a; 0.9.7b; 0.9.7c; 0.9.7d; 0.9.7e; +3 more
CVE-2005-1797
–
1%
May 26
The design of Advanced Encryption Standard (AES), aka Rijndael, allows remote attackers to recover AES keys via timing attacks on S-box lookups, which are difficult to perform in…
Affected: 0.9.1c; 0.9.2b; 0.9.3; 0.9.4; 0.9.5; 0.9.5a; +22 more
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