Input validation error in FFmpeg - CVE-2012-2794

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Main Vulnerability Database Vulnerabilities #VU43595

Input validation error in FFmpeg - CVE-2012-2794

Published: September 11, 2012 / Updated: June 8, 2025


Vulnerability identifier: #VU43595
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2012-2794
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 execute arbitrary code.

Unspecified vulnerability in the decode_mb_info function in libavcodec/indeo5.c in FFmpeg before 0.11, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.4, has unknown impact and attack vectors in which the "allocated tile size ... mismatches parameters."


Affected software

FFmpeg
Ubuntu
libavcodec53 (Ubuntu package)
libavformat53 (Ubuntu package)

How to mitigate CVE-2012-2794

Install update from vendor's website.

FFmpeg - update to 0.11
libavcodec53 (Ubuntu package) - addressed in versions 4:0.7.6-0ubuntu0.11.10.2, 4:0.8.4-0ubuntu0.12.04.1, 6:0.8.4-0ubuntu0.12.10.1
libavformat53 (Ubuntu package) - addressed in versions 4:0.7.6-0ubuntu0.11.10.2, 4:0.8.4-0ubuntu0.12.04.1, 6:0.8.4-0ubuntu0.12.10.1

External References

Related Security Bulletins