This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2019-9721 →
DEBIAN-CVE-2019-9721
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...
Original description
The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
ffmpeg
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:4.1.3-1"}]}]
Debian:13
ffmpeg
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:4.1.3-1"}]}]
Debian:14
ffmpeg
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:4.1.3-1"}]}]
References
- advisory security-tracker.debian.org