The avi_read_nikon function in libavformat/avidec.c in FFmpeg before 3.1.4 is vulnerable to infinite loop when it decodes an AVI file that has a crafted 'nctg' structure.
https://security.gentoo.org/glsa/201701-71
https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-8000