CVE-2011-3504: Ffmpeg

High severity, CVSS 9.3. EPSS: 5.9% chance of exploitation in the next 30 days.

The Matroska format decoder in FFmpeg before 0.8.3 does not properly allocate memory, which allows remote attackers to execute arbitrary code via a crafted file.

Affected products

• Ffmpeg Ffmpeg: up to and including 0.8.0; version 0.3 only; version 0.3.1 only; version 0.3.2 only; version 0.3.3 only; version 0.3.4 only; …

Published 2011-09-29. Last modified 2026-06-16.