CVE-2011-3362: Ffmpeg

Medium severity, CVSS 6.8. EPSS: 3.4% chance of exploitation in the next 30 days.

Integer signedness error in the decode_residual_block function in cavsdec.c in libavcodec in FFmpeg before 0.7.3 and 0.8.x before 0.8.2, and libav through 0.7.1, allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a crafted Chinese AVS video (aka CAVS) file.

Affected products

• Ffmpeg Ffmpeg: up to and including 0.7.2; version 0.3 only; version 0.3.1 only; version 0.3.2 only; version 0.3.3 only; version 0.3.4 only; …
• Libav Libav: up to and including 0.7.1; 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 2011-10-02. Last modified 2026-06-16.