FFmpeg 'smka_decode_frame' function denial of service vulnerability

FFmpeg is a complete solution for recording, converting and streaming audio and video. A security vulnerability exists in the smkadecodeframe function in the libavcodec / smacker.c file in FFmpeg versions prior to 2.6.5, 2.7.x versions prior to 2.7.3, and 2.8.x versions 2.8.2 and prior. An...