This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2019-9718 →

DEBIAN-CVE-2019-9718

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, becaus...

Original description

The description as published by the source.

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.

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