CVE-2020-22031: Debian Linux

High severity, CVSS 8.8. EPSS: 1.7% chance of exploitation in the next 30 days.

A Heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_w3fdif.c in filter16_complex_low, which might lead to memory corruption and other potential consequences.

Affected products

• Debian Debian Linux: version 9.0 only; version 10.0 only
• Ffmpeg Ffmpeg: version 4.2 only

Published 2021-05-27. Last modified 2026-06-17.