CVE-2025-15467

CVE-2025-15467: OpenSSL CMS AuthEnvelopedData Stack Buffer Overflow Overview CVE-2025-15467 is a critical stack buffer overflow vulnerability in OpenSSL's CMS Cryptographic Message Syntax parsing code. The vulnerability exists in the evpciphergetasn1aeadparams function when processing AES-GCM...

CVE-2025-15467

CVE-2025-15467 Stack buffer overflow in OpenSSL CMS AuthEnvelopedData parsing. Vulnerability A stack buffer overflow exists in evpciphergetasn1aeadparams when parsing AEAD cipher parameters e.g., AES-GCM in CMS AuthEnvelopedData content. An oversized IV overflows a 16-byte stack buffer, allowing...

gpgsm-cve-2026-57062-cms-gcm-short-tag

gpgsm CVE-2026-57062: CMS AES-GCM 短タグ USN-8720-1 GnuPG の gpgsm（S/MIME および CMS ツール）は、CMS AuthEnvelopedData RFC 5083 AES-256-GCM メッセージ内の mac OCTET STRING から検証する認証タグの 長さを導出し、libgcrypt は 4 バイトという短いタグも受け入れます。RFC 5084 では 少なくとも 12 バイトが要求されています。Ubuntu は noble gnupg2 2.4.4-2ubuntu17.6 で、12 オクテット未満の authta...

AlmaLinux 9.2 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1770668132)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1770668132 advisory. - Issue summary: Processing a maliciously formatted PKCS12 file may lead OpenSSL to crash leading to a potential Denial of Service...

Rocky Linux 9.6 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1770667352)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1770667352 advisory. - Issue summary: Parsing CMS AuthEnvelopedData or EnvelopedData message with maliciously crafted AEAD parameters can trigger a sta...

openssl: CMS AuthEnvelopedData Processing May Accept Forged Messages

A flaw was found in OpenSSL's Cryptographic Message Services CMS AuthEnvelopedData processing. An on-path attacker can exploit insufficient input validation on cipher and tag length fields by sending specially crafted CMS messages. This can lead to the forging of messages or bypassing integrity...

BASM (Broken Authentication & Session Management) Bouncy Castle Dependency in Jira Software Data Center

This High severity BASM Broken Authentication & Session Management vulnerability known as CVE-2026-12802 was introduced in 10.0.0 and later of Jira Software Data Center and Server. This BASM Broken Authentication & Session Management vulnerability, with a CVSS Score of 8.7 and a CVSS Vector of...

BASM (Broken Authentication & Session Management) Bouncy Castle Dependency in Jira Service Management Data Center and Server

This High severity BASM Broken Authentication & Session Management vulnerability known as CVE-2026-12802 was introduced in 10.0.0 and later of Jira Service Management Data Center and Server. This BASM Broken Authentication & Session Management vulnerability, with a CVSS Score of 8.7 and a CVSS...

openssl: CMS AuthEnvelopedData Processing May Accept Forged Messages

A flaw was found in OpenSSL's Cryptographic Message Services CMS AuthEnvelopedData processing. An on-path attacker can exploit insufficient input validation on cipher and tag length fields by sending specially crafted CMS messages. This can lead to the forging of messages or bypassing integrity...

BASM (Broken Authentication & Session Management) Bouncy Castle Dependency in Crucible Server

This High severity BASM Broken Authentication & Session Management vulnerability known as CVE-2026-12802 was introduced in 4.9.0 and later of Crucible. This BASM Broken Authentication & Session Management vulnerability, with a CVSS Score of 8.7 and a CVSS Vector of...

openssl: CMS AuthEnvelopedData Processing May Accept Forged Messages

A flaw was found in OpenSSL's Cryptographic Message Services CMS AuthEnvelopedData processing. An on-path attacker can exploit insufficient input validation on cipher and tag length fields by sending specially crafted CMS messages. This can lead to the forging of messages or bypassing integrity...

Cryptographic Failure org.bouncycastle:bcpkix-jdk18on Dependency in Bamboo Data Center

This High severity Cryptographic Failure vulnerability was introduced in versions 10.0.0, 10.1.0, 10.2.0, 11.0.0, 12.0.0 and 12.1.0 of Bamboo Data Center. This Cryptographic Failure vulnerability, with a CVSS Score of 8.7 and a CVSS Vector of...

Improper Validation of Integrity Check Value

Overview Affected versions of this package are vulnerable to Improper Validation of Integrity Check Value in CMS AuthEnvelopedData recipient processing, where AbstractRecipient and its recipient classes such as JceKeyTransRecipient and BcKeyTransRecipient take the AEAD tag length from the...

CVE-2026-12802: Improper Validation of Integrity Check Value

In Bouncy Castle for Java before 1.85, CMS AuthEnvelopedData fails to enforce tag-length on decryption. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bcpkix-fips 1.0.12 1.0.X series, 2.0.12 2.0.X series and 2.1.12 2.1.X series...

SUSE-SU-2026:20607-1 Security update for openssl-3-livepatches

This update for openssl-3-livepatches fixes the following issues: - CVE-2025-11187: Fixed improper validation of PBMAC1 parameters in PKCS12 MAC verification bsc1256878. - CVE-2025-15467: Fixed stack buffer overflow in CMS AuthEnvelopedData parsing bsc1256876. - CVE-2025-15468: Fixed NULL...

OESA-2026-1393 edk2 security update

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications. Security Fixes: Issue summary: Parsing CMS AuthEnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact summary: A stack buffer...

OESA-2026-1411 openssl security update

OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security TLS and Secure Sockets Layer SSL protocols. Security Fixes: Issue summary: Parsing CMS AuthEnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact...

OESA-2026-1391 edk2 security update

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications. Security Fixes: Issue summary: Parsing CMS AuthEnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact summary: A stack buffer...

OESA-2026-1392 edk2 security update

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications. Security Fixes: Issue summary: Parsing CMS AuthEnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact summary: A stack buffer...

OESA-2026-1312 openssl security update

OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security TLS and Secure Sockets Layer SSL protocols. Security Fixes: Issue summary: Parsing CMS AuthEnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact...