CVE-2019-9718

ffmpeg: denial of service in subtitle decoder allows attackers to hog CPU via crafted video file

Published Mar 12, 2019 CVSS 3.1 · 6.5 Medium EPSS 1.6% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-4449-1 ffmpeg security update
EUVD EUVD EUVD-2019-19083 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.
Ubuntu USN Ubuntu USN USN-3967-1 FFmpeg vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 4, 2024, 10:01 PM
Reserved
Mar 12, 2019, 12:00 AM
Status
Modified
Published
Mar 12, 2019, 9:29 AM
Modified
Jun 17, 2026, 2:44 AM
Severity
Low
Public date
Mar 12, 2019, 12:00 AM