Security Advisory

CVE-2019-9718

6.5
MEDIUM

Vulnerability Description

In FFmpeg 3.2 and 4.1, a denial of service in the subtitle decoder allows attackers to hog the CPU via a crafted video file in Matroska format, because ff_htmlmarkup_to_ass in libavcodec/htmlsubtitles.c has a complex format argument to sscanf.
Published Date March 12, 2019
Official Source NIST NVD Advisory