CVE-2013-3671

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-06-10 · updated 2026-06-16
Weakness: CWE-189

Description

The format_line function in log.c in libavutil in FFmpeg before 1.2.1 uses inapplicable offset data during a certain category calculation, which allows remote attackers to cause a denial of service (invalid pointer dereference and application crash) via crafted data that triggers a log message.

Affected products

FFmpeg: through 1.2

References

http://ffmpeg.org/security.html
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=7edb984dd051b6919d7d8471c70499273f31b0fa
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=cc0dd86580b3257f22a4981a79eb5fa6804182b6
http://ffmpeg.org/security.html
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=7edb984dd051b6919d7d8471c70499273f31b0fa
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=cc0dd86580b3257f22a4981a79eb5fa6804182b6

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