CVE-2020-20891: Ffmpeg

High severity, CVSS 8.8. EPSS: 1.2% chance of exploitation in the next 30 days.

Buffer Overflow vulnerability in function config_input in libavfilter/vf_gblur.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts.

Affected products

• Ffmpeg Ffmpeg: version 4.2.1 only

Published 2021-09-20. Last modified 2026-06-17.