libavcodec/dnxhddec.c in FFmpeg 4.4 does not check the return value of the init_vlc function, a similar issue to CVE-2013-0868.
github.com/FFmpeg/FFmpeg/commit/7150f9575671f898382c370acae35f9087a30ba1
lists.debian.org/debian-lts-announce/2021/08/msg00018.html
patchwork.ffmpeg.org/project/ffmpeg/patch/PAXP193MB12624C21AE412BE95BA4D4A4B6F09%40PAXP193MB1262.EURP193.PROD.OUTLOOK.COM/
www.debian.org/security/2021/dsa-4990
www.debian.org/security/2021/dsa-4998