The decoderesidual function in libavcodec in libav 9.21 allows remote attackers to cause a denial of service (buffer over-read) or obtain sensitive information from process memory via a crafted h264 video file.
The ffh2645extractrbsp function in libavcodec in libav 9.21 allows remote attackers to cause a denial of service (heap-based buffer over-read) or obtain sensitive information from process memory via a crafted h264 video file.