CVE-2020-20451: Debian Linux

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

Denial of Service issue in FFmpeg 4.2 due to resource management errors via fftools/cmdutils.c.

Affected products

• Debian Debian Linux: version 9.0 only
• Ffmpeg Ffmpeg: version 4.2 only

Published 2021-05-25. Last modified 2026-06-17.