The read_gab2_sub function in libavformat/avidec.c in FFmpeg before 3.1.4 allows remote attackers to cause a denial of service (NULL pointer used) via a crafted AVI file.
The gsm_parse function in libavcodec/gsm_parser.c in FFmpeg before 3.1.5 allows remote attackers to cause a denial of service (assert fault) via a crafted AVI file.
The che_configure function in libavcodec/aacdec_template.c in FFmpeg before 3.2.1 allows remote attackers to cause a denial of service (allocation of huge memory, and being killed by the OS) via a crafted MOV file.