CVE-2011-3945: Ffmpeg

Medium severity, CVSS 6.8. EPSS: 3.2% chance of exploitation in the next 30 days.

The decode_frame function in the KVG1 decoder (kgv1dec.c) in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted media file.

Affected products

• Ffmpeg Ffmpeg: version 0.7 only; version 0.7.1 only; version 0.7.2 only; version 0.7.3 only; version 0.7.6 only; version 0.7.7 only; …
• Libav Libav: version 0.5 only; version 0.5.1 only; version 0.5.2 only; version 0.5.3 only; version 0.5.4 only; version 0.5.5 only; …

Published 2012-08-20. Last modified 2026-06-16.