Heap-based buffer overflow in the decode_block function in libavcodec/exr.c in FFmpeg before 3.1.3 allows remote attackers to cause a denial of service (application crash) via vectors involving tile positions.
git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit%3Bh=79f52a0dbd484aad111e4bf4a4f7047c7ceb6137
packetstormsecurity.com/files/138618/ffmpeg-3.1.2-Heap-Overflow.html
www.securityfocus.com/archive/1/539368/100/0/threaded
www.securityfocus.com/bid/92664
www.securityfocus.com/bid/92790
www.ffmpeg.org/security.html