Filtered by vendor Openssl
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Filtered by product Openssl
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Total
316 CVE
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2009-1377 | 2 Openssl, Redhat | 2 Openssl, Enterprise Linux | 2026-04-23 | N/A |
| 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 series of "future epoch" DTLS records that are buffered in a queue, aka "DTLS record buffer limitation bug." | ||||
| CVE-2009-1387 | 3 Canonical, Openssl, Redhat | 4 Ubuntu Linux, Openssl, Enterprise Linux and 1 more | 2026-04-23 | N/A |
| 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 daemon crash) via an out-of-sequence DTLS handshake message, related to a "fragment bug." | ||||
| CVE-2009-4355 | 2 Openssl, Redhat | 3 Openssl, Enterprise Linux, Openssl | 2026-04-23 | N/A |
| 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 service (memory consumption) via vectors that trigger incorrect calls to the CRYPTO_cleanup_all_ex_data function, as demonstrated by use of SSLv3 and PHP with the Apache HTTP Server, a related issue to CVE-2008-1678. | ||||
| CVE-2007-3108 | 2 Openssl, Redhat | 2 Openssl, Enterprise Linux | 2026-04-23 | N/A |
| 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 a side-channel attack and retrieve RSA private keys. | ||||
| CVE-2006-2937 | 2 Openssl, Redhat | 3 Openssl, Enterprise Linux, Network Satellite | 2026-04-23 | N/A |
| 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 trigger an improperly handled error condition. | ||||
| CVE-2007-5135 | 2 Openssl, Redhat | 2 Openssl, Enterprise Linux | 2026-04-23 | N/A |
| 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 packet that triggers a one-byte buffer underflow. NOTE: this issue was introduced as a result of a fix for CVE-2006-3738. As of 20071012, it is unknown whether code execution is possible. | ||||
| CVE-2006-4343 | 4 Canonical, Debian, Openssl and 1 more | 5 Ubuntu Linux, Debian Linux, Openssl and 2 more | 2026-04-23 | N/A |
| 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 (client crash) via unknown vectors that trigger a null pointer dereference. | ||||
| CVE-2009-0789 | 1 Openssl | 1 Openssl | 2026-04-23 | N/A |
| 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 (invalid memory access and application crash) by placing this structure in the public key of a certificate, as demonstrated by an RSA public key. | ||||
| CVE-2014-0160 | 13 Broadcom, Canonical, Debian and 10 more | 37 Symantec Messaging Gateway, Ubuntu Linux, Debian Linux and 34 more | 2026-04-21 | 7.5 High |
| The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive information from process memory via crafted packets that trigger a buffer over-read, as demonstrated by reading private keys, related to d1_both.c and t1_lib.c, aka the Heartbleed bug. | ||||
| CVE-2021-3712 | 8 Debian, Mcafee, Netapp and 5 more | 36 Debian Linux, Epolicy Orchestrator, Clustered Data Ontap and 33 more | 2026-04-16 | 7.4 High |
| ASN.1 strings are represented internally within OpenSSL as an ASN1_STRING structure which contains a buffer holding the string data and a field holding the buffer length. This contrasts with normal C strings which are repesented as a buffer for the string data which is terminated with a NUL (0) byte. Although not a strict requirement, ASN.1 strings that are parsed using OpenSSL's own "d2i" functions (and other similar parsing functions) as well as any string whose value has been set with the ASN1_STRING_set() function will additionally NUL terminate the byte array in the ASN1_STRING structure. However, it is possible for applications to directly construct valid ASN1_STRING structures which do not NUL terminate the byte array by directly setting the "data" and "length" fields in the ASN1_STRING array. This can also happen by using the ASN1_STRING_set0() function. Numerous OpenSSL functions that print ASN.1 data have been found to assume that the ASN1_STRING byte array will be NUL terminated, even though this is not guaranteed for strings that have been directly constructed. Where an application requests an ASN.1 structure to be printed, and where that ASN.1 structure contains ASN1_STRINGs that have been directly constructed by the application without NUL terminating the "data" field, then a read buffer overrun can occur. The same thing can also occur during name constraints processing of certificates (for example if a certificate has been directly constructed by the application instead of loading it via the OpenSSL parsing functions, and the certificate contains non NUL terminated ASN1_STRING structures). It can also occur in the X509_get1_email(), X509_REQ_get1_email() and X509_get1_ocsp() functions. If a malicious actor can cause an application to directly construct an ASN1_STRING and then process it through one of the affected OpenSSL functions then this issue could be hit. This might result in a crash (causing a Denial of Service attack). It could also result in the disclosure of private memory contents (such as private keys, or sensitive plaintext). Fixed in OpenSSL 1.1.1l (Affected 1.1.1-1.1.1k). Fixed in OpenSSL 1.0.2za (Affected 1.0.2-1.0.2y). | ||||
| CVE-2021-23840 | 8 Debian, Fujitsu, Mcafee and 5 more | 31 Debian Linux, M10-1, M10-1 Firmware and 28 more | 2026-04-16 | 7.5 High |
| Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases where the input length is close to the maximum permissable length for an integer on the platform. In such cases the return value from the function call will be 1 (indicating success), but the output length value will be negative. This could cause applications to behave incorrectly or crash. OpenSSL versions 1.1.1i and below are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1j. OpenSSL versions 1.0.2x and below are affected by this issue. However OpenSSL 1.0.2 is out of support and no longer receiving public updates. Premium support customers of OpenSSL 1.0.2 should upgrade to 1.0.2y. Other users should upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y (Affected 1.0.2-1.0.2x). | ||||
| CVE-2020-1968 | 5 Canonical, Debian, Fujitsu and 2 more | 25 Ubuntu Linux, Debian Linux, M10-1 and 22 more | 2026-04-16 | 3.7 Low |
| The Raccoon attack exploits a flaw in the TLS specification which can lead to an attacker being able to compute the pre-master secret in connections which have used a Diffie-Hellman (DH) based ciphersuite. In such a case this would result in the attacker being able to eavesdrop on all encrypted communications sent over that TLS connection. The attack can only be exploited if an implementation re-uses a DH secret across multiple TLS connections. Note that this issue only impacts DH ciphersuites and not ECDH ciphersuites. This issue affects OpenSSL 1.0.2 which is out of support and no longer receiving public updates. OpenSSL 1.1.1 is not vulnerable to this issue. Fixed in OpenSSL 1.0.2w (Affected 1.0.2-1.0.2v). | ||||
| CVE-2001-1141 | 2 Openssl, Ssleay | 2 Openssl, Ssleay | 2026-04-16 | N/A |
| The Pseudo-Random Number Generator (PRNG) in SSLeay and OpenSSL before 0.9.6b allows attackers to use the output of small PRNG requests to determine the internal state information, which could be used by attackers to predict future pseudo-random numbers. | ||||
| CVE-2002-0656 | 4 Apple, Openssl, Oracle and 1 more | 8 Mac Os X, Openssl, Application Server and 5 more | 2026-04-16 | N/A |
| Buffer overflows in OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, allow remote attackers to execute arbitrary code via (1) a large client master key in SSL2 or (2) a large session ID in SSL3. | ||||
| CVE-2003-0545 | 2 Openssl, Redhat | 2 Openssl, Linux | 2026-04-16 | 9.8 Critical |
| Double free vulnerability in OpenSSL 0.9.7 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an SSL client certificate with a certain invalid ASN.1 encoding. | ||||
| CVE-1999-0428 | 1 Openssl | 1 Openssl | 2026-04-16 | 6.5 Medium |
| OpenSSL and SSLeay allow remote attackers to reuse SSL sessions and bypass access controls. | ||||
| CVE-2002-0655 | 4 Apple, Openssl, Oracle and 1 more | 8 Mac Os X, Openssl, Application Server and 5 more | 2026-04-16 | N/A |
| OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, does not properly handle ASCII representations of integers on 64 bit platforms, which could allow attackers to cause a denial of service and possibly execute arbitrary code. | ||||
| CVE-2004-0081 | 23 4d, Apple, Avaya and 20 more | 67 Webstar, Mac Os X, Mac Os X Server and 64 more | 2026-04-16 | N/A |
| OpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote attackers to cause a denial of service (infinite loop), as demonstrated using the Codenomicon TLS Test Tool. | ||||
| CVE-2005-1797 | 1 Openssl | 1 Openssl | 2026-04-16 | N/A |
| 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 constant time in AES implementations. | ||||
| CVE-2004-0079 | 23 4d, Apple, Avaya and 20 more | 67 Webstar, Mac Os X, Mac Os X Server and 64 more | 2026-04-16 | 7.5 High |
| The do_change_cipher_spec function in OpenSSL 0.9.6c to 0.9.6k, and 0.9.7a to 0.9.7c, allows remote attackers to cause a denial of service (crash) via a crafted SSL/TLS handshake that triggers a null dereference. | ||||