CVE-2022-0778

CVE-2022-0778 describes an infinite loop in BN_mod_sqrt() when parsing certain ASN.1 elliptic-curve parameters, enabling DoS during certificate or key processing. Affected OpenSSL versions include 1.0.2, 1.1.1, and 3.0 (specific ranges: 1.0.2 (1.0.2–1.0.2zc), 1.1.1 (1.1.1–1.1.1m), 3.0 (3.0.0–3.0....

CVE-2022-1292

CVE-2022-1292 describes a command-injection risk in the OpenSSL c_rehash script due to improper sanitization of shell metacharacters. The issue can allow local attackers to run arbitrary commands with the script’s privileges on systems where c_rehash runs automatically. Fixes are published in Ope...

CVE-2020-1971

CVE-2020-1971 is described across multiple connected sources as a NULL-dereference in OpenSSL’s GENERAL_NAME_cmp when EDIPARTYNAME is present, potentially enabling a denial-of-service crash. Affected OpenSSL versions include all 1.1.1 and 1.0.2 lines; fixes are published in OpenSSL 1.1.1i and Ope...

CVE-2019-1559

OpenSSL vulnerability CVE-2019-1559 describes a padding-oracle weakness where, if an application encounters a fatal protocol error and then calls SSL_shutdown() twice (to send close_notify and to receive one), the server may respond differently to a 0-byte record with invalid padding versus inval...

CVE-2021-3711

CVE-2021-3711 involves a bug in OpenSSL SM2 decryption: the buffer-size calculation during EVP_PKEY_decrypt() first call can under-allocate, enabling a later second call with a too-small buffer and causing a buffer overflow (up to 62 bytes). The issue affects OpenSSL 1.1.1 up to 1.1.1k and is fix...

CVE-2021-3712

The CVE-2021-3712 issue affects OpenSSL where ASN1_STRING data may not be NUL-terminated if constructed directly (or via ASN1_STRING_set0), causing read-buffer overreads when many OpenSSL print/name-constraining paths handle such ASN.1 strings. Exploitation could crash the application (DoS) or di...

CVE-2021-3517

CVE-2021-3517 is a libxml2 vulnerability affecting versions before 2.9.11. A flaw in the xml entity encoding functionality could allow processing of a crafted XML file to trigger an out‑of‑bounds read, with availability impact and potential confidentiality/integrity impact if memory information i...

CVE-2021-3537

Summary: CVE-2021-3537 affects libxml2 up to 2.9.11. In XML mixed content parsing, errors were not propagated, causing a NULL dereference when an untrusted document is parsed in recovery mode and post-validated, with availability as the highest impact. The connected documents confirm the vulnerab...

CVE-2022-2097

CVE-2022-2097 affects OpenSSL: AES OCB mode on 32-bit x86 with AES-NI optimization can fail to encrypt the full data, potentially leaking 16 bytes of memory (or plaintext in in-place mode). OpenSSL TLS/DTLS cipher suites are unaffected. Affected releases: OpenSSL 3.0.0–3.0.4 and OpenSSL 1.1.1 thr...

CVE-2021-3541

CVE-2021-3541 describes a vulnerability in libxml2 where exponential entity expansion can bypass protections and cause a denial of service. The Initial Description confirms the flaw and its DoS impact, and connected documents (e.g., Astra Linux bulletin and BSNSA entries) reiterate libxml2 involv...

CVE-2019-19956

Summary (CVE-2019-19956) libxml2 before 2.9.10 contains a memory leak in xmlParseBalancedChunkMemoryRecover (parser.c) related to newDoc->oldNs. This can lead to memory not being freed (partial impact noted) and, per mapped references, contributes to DoS scenarios. The CVSS data across sources...

CVE-2022-23308

CVE-2022-23308 affects libxml2 before 2.9.13, caused by a use-after-free in ID/IDREF attributes in valid.c. The NVD data shows a CVSS 3.1 base score of 7.5 (NETWORK, PR:N, UI:N, S:U, C:N/I:N/A:H) and CVSS 2.0 base score of 4.3 (NETWORK, A:P). Connected advisories confirm the same flaw and referen...

CVE-2020-24977

CVE-2020-24977 affects GNOME libxml2 up to version 2.9.10. The issue is a global buffer over-read in xmlEncodeEntitiesInternal (libxml2/entities.c), which can lead to information disclosure or crash conditions. The vulnerability was fixed in the commit 50f06b3e. Connected advisories corroborate l...

CVE-2021-3518

CVE-2021-3518 details (libxml2): A use-after-free exists in libxml2 before v2.9.11 when processing crafted input files through an application linked with libxml2. This can impact confidentiality, integrity, and availability. The issue is triggered by processing a specially crafted file via libxml...

CVE-2022-29824

Summary: CVE-2022-29824 affects libxml2 up to version 2.9.14. Several buffer handling functions in buf.c (xmlBuf*) and tree.c (xmlBuffer*) fail to check integer overflows, causing out-of-bounds memory writes when processing crafted XML files. This vulnerability also affects software that uses lib...

CVE-2022-40303

CVE-2022-40303 affects libxml2 prior to 2.10.3. When parsing multi‑gigabyte XML with XML_PARSE_HUGE enabled, integer counters can overflow and cause an access at a negative 2GB offset, typically leading to a segmentation fault. Public sources (including libxml2‑focused advisories and AWS ALAS/BSN...

CVE-2021-3516

CVE-2021-3516 affects libxml2’s xmllint prior to 2.9.11. The issue is a use-after-free in xmllint when processing a crafted file, with impact to confidentiality, integrity, and availability. Remediation: update libxml2 to 2.9.11 or later (or apply vendor patch). The connected sources corroborate ...

CVE-2022-40304

CVE-2022-40304: libxml2 before 2.10.3 contains invalid XML entity definitions that can corrupt a hash table key, potentially triggering logic errors and, in at least one case, a double-free. Affected library is libxml2; CVSS v3.1 shows base score 7.8 (HIGH) with LOCAL access, high impact. Public ...

CVE-2016-8610

CVE-2016-8610 is a denial-of-service flaw in OpenSSL affecting TLS/SSL alert packet processing during handshakes. The issue exists in OpenSSL 0.9.8, 1.0.1, 1.0.2 through 1.0.2h, and 1.1.0, enabling a remote attacker to cause high CPU usage and denial of service by sending many alert messages. Con...

CVE-2022-1473

Summary: CVE-2022-1473 concerns a bug in the OPENSSL_LH_flush() function in OpenSSL 3.0 that breaks reuse of memory for removed hash table entries, used when decoding certificates or keys, leading to unbounded memory growth and potential DoS in long-lived processes (e.g., TLS clients/servers). Wh...

CVE-2022-1343

Summary: CVE-2022-1343 affects the OpenSSL OCSP verification path. When the non-default OCSP_NOCHECKS flag is used, OCSP_basic_verify may return a positive verification result even if the signer certificate cannot be verified, leading to an incorrect success signal in OCSP checks (including the O...

CVE-2022-1434

The CVE-2022-1434 issue affects the RC4-MD5 ciphersuite in OpenSSL 3.0, where the AAD data is incorrectly used as the MAC key, allowing an attacker to modify data in transit without decrypting it. The vulnerability requires both endpoints to negotiate RC4-MD5, and it is not exploitable when TLSv1...

CVE-2015-8960

The CVE-2015-8960 entry concerns TLS protocol versions 1.2 and earlier. The root cause is that certain ClientCertificateType values (rsa_fixed_dh, dss_fixed_dh, rsa_fixed_ecdh, ecdsa_fixed_ecdh) are supported but the protocol does not document the ability to compute the master secret in scenarios...