Input validation error in FFmpeg - CVE-2012-2802
Published: September 11, 2012 / Updated: June 8, 2025
Vulnerability identifier: #VU43574
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2012-2802
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ffmpeg.sourceforge.net
Affected software:
FFmpeg
FFmpeg
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Unspecified vulnerability in the ac3_decode_frame function in libavcodec/ac3dec.c in FFmpeg before 0.11 and Libav 0.8.x before 0.8.4 has unknown impact and attack vectors, related to the "number of output channels" and "out of array writes."
How to mitigate CVE-2012-2802
Install update from vendor's website.
Sources
- http://ffmpeg.org/security.html
- http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=2c22701c371c2f3dea21fcdbb97c981939fb77af
- http://libav.org/releases/libav-0.8.4.changelog
- http://libav.org/releases/libav-0.8.5.changelog
- http://secunia.com/advisories/50468
- http://secunia.com/advisories/51257
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:079
- http://www.openwall.com/lists/oss-security/2012/08/31/3
- http://www.openwall.com/lists/oss-security/2012/09/02/4
- http://www.securityfocus.com/bid/55355
- http://www.ubuntu.com/usn/USN-1705-1