CVE-2009-4631: Ffmpeg

High severity, CVSS 9.3. EPSS: 5.1% chance of exploitation in the next 30 days.

Off-by-one error in the VP3 decoder (vp3.c) in FFmpeg 0.5 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted VP3 file that triggers an out-of-bounds read and possibly memory corruption.

Affected products

• Ffmpeg Ffmpeg: version 0.5 only

Published 2010-02-10. Last modified 2026-06-16.