CVE-2026-24881

In GnuPG before 2.5.17, a crafted CMS S/MIME EnvelopedData message carrying an oversized wrapped session key can cause a stack-based buffer overflow in gpg-agent during PKDECRYPT--kem=CMS handling. This can easily be leveraged for denial of service; however, there is also memory corruption that...

CVE-2026-24881

In GnuPG before 2.5.17, a crafted CMS S/MIME EnvelopedData message carrying an oversized wrapped session key can cause a stack-based buffer overflow in gpg-agent during PKDECRYPT--kem=CMS handling. This can easily be leveraged for denial of service; however, there is also memory corruption that...

CVE-2026-24881

In GnuPG before 2.5.17, a crafted CMS S/MIME EnvelopedData message carrying an oversized wrapped session key can cause a stack-based buffer overflow in gpg-agent during PKDECRYPT--kem=CMS handling. This can easily be leveraged for denial of service; however, there is also memory corruption that...

EUVD-2026-4768

In GnuPG before 2.5.17, a crafted CMS S/MIME EnvelopedData message carrying an oversized wrapped session key can cause a stack-based buffer overflow in gpg-agent during PKDECRYPT--kem=CMS handling. This can easily be leveraged for denial of service; however, there is also memory corruption that...

CVE-2026-24881

In GnuPG before 2.5.17, a crafted CMS S/MIME EnvelopedData message carrying an oversized wrapped session key can cause a stack-based buffer overflow in gpg-agent during PKDECRYPT--kem=CMS handling. This can easily be leveraged for denial of service; however, there is also memory corruption that...

Stack-based Buffer Overflow

Overview Affected versions of this package are vulnerable to Stack-based Buffer Overflow when parsing a CMS AuthEnvelopedData message. An attacker can trigger a crash by supplying AEAD ciphers such as AES-GCM with malicious initialization vectors. These are encoded in the ASN.1 parameters and...

CVE-2025-15467

Issue summary: Parsing CMS AuthEnvelopedData or EnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact summary: A stack buffer overflow may lead to a crash, causing Denial of Service, or potentially remote code execution. When parsing CMS...

CVE-2025-15467 Stack buffer overflow in CMS (Auth)EnvelopedData parsing

Issue summary: Parsing CMS AuthEnvelopedData or EnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact summary: A stack buffer overflow may lead to a crash, causing Denial of Service, or potentially remote code execution. When parsing CMS...

CVE-2025-15467

Issue summary: Parsing CMS AuthEnvelopedData or EnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact summary: A stack buffer overflow may lead to a crash, causing Denial of Service, or potentially remote code execution. When parsing CMS...

CVE-2025-15467 Stack buffer overflow in CMS (Auth)EnvelopedData parsing

Issue summary: Parsing CMS AuthEnvelopedData or EnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact summary: A stack buffer overflow may lead to a crash, causing Denial of Service, or potentially remote code execution. When parsing CMS...

CVE-2025-15467

Issue summary: Parsing CMS AuthEnvelopedData or EnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact summary: A stack buffer overflow may lead to a crash, causing Denial of Service, or potentially remote code execution. When parsing CMS...

GNUPG security vulnerabilities

GNU Privacy Guard is an open-source encryption software developed by the GNU community in the United States. It is licensed under the GNU General Public License. This software supports algorithms such as public key encryption, symmetric encryption, and hashing. Prior to version 2.5.17, GnuPG had...

UBUNTU-CVE-2025-15467

Issue summary: Parsing CMS AuthEnvelopedData or EnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact summary: A stack buffer overflow may lead to a crash, causing Denial of Service, or potentially remote code execution. When parsing CMS...

PT-2026-4941

Name of the Vulnerable Software and Affected Versions OpenSSL version 3.0 OpenSSL version 3.3 OpenSSL version 3.4 OpenSSL version 3.5 OpenSSL version 3.6 Description Parsing CMS AuthEnvelopedData or EnvelopedData messages with maliciously crafted AEAD Authenticated Encryption with Associated Data...