CVE-2026-24881

HIGH

8.1

Beschreibung

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 could lead to remote code execution.

CVE Details

CVSS v3.1 Bewertung8.1

SchweregradHIGH

CVSS VektorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AngriffsvektorNETWORK

KomplexitatHIGH

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht1/27/2026

Zuletzt geandert2/12/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

gnupg:gnupggpg4win:gpg4win

Schwachen (CWE)

CWE-121

Referenzen

https://dev.gnupg.org/T8044(cve@mitre.org)

https://www.openwall.com/lists/oss-security/2026/01/27/8(cve@mitre.org)

IOC Korrelationen

Keine Korrelationen erfasst

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