Input validation error in FFmpeg - CVE-2011-4352
Published: August 20, 2012 / Updated: June 8, 2025
Vulnerability identifier: #VU43685
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-4352
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 read and manipulate data.
Integer overflow in the vp3_dequant function in the VP3 decoder (vp3.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted VP3 stream, which triggers a buffer overflow.
How to mitigate CVE-2011-4352
Install update from vendor's website.
Sources
- http://ffmpeg.org/
- http://git.libav.org/?p=libav.git;a=commit;h=8b94df0f2047e9728cb872adc9e64557b7a5152f
- http://git.videolan.org/?p=ffmpeg.git;a=commit;h=eef5c35b4352ec49ca41f6198bee8a976b1f81e5
- http://libav.org/
- http://libav.org/releases/libav-0.5.6.changelog
- http://libav.org/releases/libav-0.6.4.changelog
- http://libav.org/releases/libav-0.7.3.changelog
- http://ubuntu.com/usn/usn-1320-1
- http://ubuntu.com/usn/usn-1333-1
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:074
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:075
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:076
- http://www.securityfocus.com/archive/1/520622