CVE-2009-4639: Ffmpeg

Medium severity, CVSS 4.3. EPSS: 3% chance of exploitation in the next 30 days.

The av_rescale_rnd function in the AVI demuxer in FFmpeg 0.5 allows remote attackers to cause a denial of service (crash) via a crafted AVI file that triggers a divide-by-zero error.

Affected products

• Ffmpeg Ffmpeg: version 0.5 only

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