CVE-2020-20450: Debian Linux

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

FFmpeg 4.2 is affected by null pointer dereference passed as argument to libavformat/aviobuf.c, which could cause a Denial of Service.

Affected products

• Debian Debian Linux: version 11.0 only
• Ffmpeg Ffmpeg: version 4.2 only

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