CVE-2026-65704 FFmpeg 8.1.2 Out-of-Bounds Write via TY Demuxer and Shorten Decoder

FFmpeg through 8.1.2 contains an out-of-bounds write vulnerability that allows attackers to cause heap corruption by supplying a crafted ffconcat file processed with the -safe 0 flag. The TY demuxer's demuxaudio function decrements packet size without bounds checking, producing a negative size...