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 short tag USN-8720-1 GnuPG's gpgsm the S/MIME and CMS tool derives the authentication tag length it verifies from the mac OCTET STRING in a CMS AuthEnvelopedData RFC 5083 AES-256-GCM message, and libgcrypt accepts tags as short as 4 bytes. RFC 5084 requires at...

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...

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...

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...

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...

Incorrect Comparison

Overview Affected versions of this package are vulnerable to Incorrect Comparison through the JceKeyTransRecipient key transport path in pkix/src/main/java/org/bouncycastle/cms/jcajce/JceKeyTransRecipient.java. An attacker can bypass the opt-in key-size check and have an EnvelopedData or...

Incorrect Comparison

Overview Affected versions of this package are vulnerable to Incorrect Comparison through the JceKeyTransRecipient key transport path in pkix/src/main/java/org/bouncycastle/cms/jcajce/JceKeyTransRecipient.java. An attacker can bypass the opt-in key-size check and have an EnvelopedData or...

AlmaLinux 9.2 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1782152259)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1782152259 advisory. - Issue Summary: Cryptographic Message Services CMS processing fails to perform sufficient input validation on the cipher and tag...

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...

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...

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...

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...

CVE-2026-12802

A flaw was found in Bouncy Castle for Java. This vulnerability allows a remote attacker to compromise the integrity of data during the decryption of Cryptographic Message Syntax CMS AuthEnvelopedData. The software fails to properly enforce the tag-length, which could enable an attacker to...