Security Advisory
CVE-2019-9721
6.5
MEDIUM
Vulnerability Description
A denial of service in the subtitle decoder in FFmpeg 3.2 and 4.1 allows attackers to hog the CPU via a crafted video file in Matroska format, because handle_open_brace in libavcodec/htmlsubtitles.c has a complex format argument to sscanf.
Published Date
March 12, 2019
Official Source
NIST NVD Advisory