CVE-2017-9987
There is a heap-based buffer overflow in the function hpel_motion in mpegvideo_motion.c in libav 12.1. A crafted input can lead to a remote denial of service attack.
Date published : 2017-06-28
https://bugzilla.libav.org/show_bug.cgi?id=1067
https://lists.debian.org/debian-lts-announce/2019/09/msg00000.html