A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_colorconstancy.c: in slice_get_derivative, which crossfade_samples_fltp, which might lead to memory corruption and other potential consequences.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22029
Reference (s):
- DEBIAN:DSA-4990
- URL: https://www.debian.org/security/2021/dsa-4990
- http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=a7fd1279703683ebb548ef7baa2f1519994496ae
- https://trac.ffmpeg.org/ticket/8250