Input validation error in FFmpeg - CVE-2013-3672
Published: October 28, 2015 / Updated: June 8, 2025
Vulnerability identifier: #VU110606
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-3672
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The mm_decode_inter function in mmvideo.c in libavcodec in FFmpeg before 1.2.1 does not validate the relationship between a horizontal coordinate and a width value, which allows remote attackers to cause a denial of service (out-of-bounds array access and application crash) via crafted American Laser Games (ALG) MM Video data.
Affected software
FFmpeg
Gentoo Linux
media-video/libav
Gentoo Linux
media-video/libav
How to mitigate CVE-2013-3672
Install update from vendor's website.
FFmpeg - update to 1.2.1
media-video/libav - update to 9.17
media-video/libav - update to 9.17