Input validation error in FFmpeg - CVE-2009-4631
Published: May 4, 2010 / Updated: June 8, 2025
Vulnerability identifier: #VU110618
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2009-4631
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.
Off-by-one error in the VP3 decoder (vp3.c) in FFmpeg 0.5 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted VP3 file that triggers an out-of-bounds read and possibly memory corruption.
How to mitigate CVE-2009-4631
Install update from vendor's website.
Sources
- http://scarybeastsecurity.blogspot.com/2009/09/patching-ffmpeg-into-shape.html
- http://secunia.com/advisories/36805
- http://secunia.com/advisories/38643
- http://www.debian.org/security/2010/dsa-2000
- http://www.securityfocus.com/bid/36465
- https://roundup.ffmpeg.org/roundup/ffmpeg/issue1240
- https://roundup.ffmpeg.org/roundup/ffmpeg/issue1483