Stack-based buffer overflow in FFmpeg - CVE-2009-4637

Vulnerability identifier: #VU110612

CSH Severity: High

CVSS v4: []

CVE-ID: CVE-2009-4637

CWE-ID: CWE-121

Exploitation vector: Remote access

Exploit availability: Public exploit is available

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing unknown vectors that trigger a stack-based buffer overflow. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

FFmpeg
Ubuntu
libavcodec1d (Ubuntu package)
libavformat1d (Ubuntu package)
libavformat52 (Ubuntu package)
libavcodec51 (Ubuntu package)
libavcodec52 (Ubuntu package)

Install update from vendor's website.

libavcodec1d (Ubuntu package) - update to 3:0.cvs20070307-5ubuntu7.4
libavformat1d (Ubuntu package) - update to 3:0.cvs20070307-5ubuntu7.4
libavformat52 (Ubuntu package) - addressed in versions 3:0.svn20080206-12ubuntu3.2, 3:0.svn20090303-1ubuntu6.1, 4:0.5+svn20090706-2ubuntu2.1
libavcodec51 (Ubuntu package) - update to 3:0.svn20080206-12ubuntu3.2
libavcodec52 (Ubuntu package) - addressed in versions 3:0.svn20090303-1ubuntu6.1, 4:0.5+svn20090706-2ubuntu2.1

• Exploit #11590 - FFmpeg 0.5 - Multiple Remote Vulnerabilities (June 12, 2025)

• http://scarybeastsecurity.blogspot.com/2009/09/patching-ffmpeg-into-shape.html
• http://secunia.com/advisories/36805
• http://secunia.com/advisories/38643
• http://secunia.com/advisories/39482
• http://www.debian.org/security/2010/dsa-2000
• http://www.securityfocus.com/bid/36465
• http://www.ubuntu.com/usn/USN-931-1
• http://www.vupen.com/english/advisories/2010/0935
• https://roundup.ffmpeg.org/roundup/ffmpeg/issue1240

• Stack-based buffer overflow in FFmpeg
• Ubuntu update for ffmpeg, ffmpeg-debian