FFmpeg n6.1.1 has a vulnerability in the DXA demuxer of the libavformat library allowing for an integer overflow, potentially resulting in a denial-of-service (DoS) condition or other undefined behavior.
https://github.com/ffmpeg/ffmpeg/commit/50d8e4f27398fd5778485a827d7a2817921f8540
https://github.com/FFmpeg/FFmpeg/blob/n6.1.1/libavformat/dxa.c#L125
https://gist.github.com/1047524396/0f4d90ef87553f772f888223085ac806