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.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
| Link | Tags |
|---|---|
| https://bugzilla.libav.org/show_bug.cgi?id=1067 | issue tracking exploit vdb entry third party advisory |
| https://lists.debian.org/debian-lts-announce/2019/09/msg00000.html | mailing list |