Buffer Overflow vulnerability exists in FFmpeg 4.2 in the config_input function at libavfilter/af_tremolo.c, which could let a remote malicious user cause a Denial of Service.Referenceshttps://trac.ffmpeg.org/ticket/8317https://lists.debian.org/debian-lts-announce/2021/08/msg00018.htmlhttps://www.debian.org/security/2021/dsa-4990
