CVE-2009-4633: Ffmpeg

High severity, CVSS 10.0. EPSS: 7.9% chance of exploitation in the next 30 days.

vorbis_dec.c in FFmpeg 0.5 uses an assignment operator when a comparison operator was intended, which might allow remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted file that modifies a loop counter and triggers a heap-based buffer overflow.

Affected products

• Ffmpeg Ffmpeg: version 0.5 only

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