A heap-based Buffer Overflow vulnerability exists FFmpeg 4.2 at libavfilter/vf_floodfill.c, which might lead to memory corruption and other potential consequences.Referenceshttps://trac.ffmpeg.org/ticket/8236https://cwe.mitre.org/data/definitions/122.htmlhttps://www.debian.org/security/2021/dsa-4990