JLSEC-2026-1184 FFmpeg through 8.1.2, fixed in commit 8670835, contains an information disclosure vulnerability...

FFmpeg through 8.1.2, fixed in commit 8670835, contains an information disclosure vulnerability in the LCL/ZLIB video decoder that allows attackers to expose uninitialized heap memory by supplying a valid zlib stream that inflates to fewer bytes than the expected frame size. The zlibdecomp functi...

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...