Vulnerability Description
The svq1_decode_frame function in the SVQ1 decoder (svq1dec.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 (memory corruption) via a crafted SVQ1 stream, related to "dimensions changed."
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ffmpeg | Ffmpeg | 0.5 |
| Libav | Libav | 0.5 |
Related Weaknesses (CWE)
References
- http://ffmpeg.org/Vendor Advisory
- http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e05f8
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e
- http://libav.org/Vendor Advisory
- 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/1/520620
- http://ffmpeg.org/Vendor Advisory
- http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e05f8
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e
- http://libav.org/Vendor Advisory
- http://ubuntu.com/usn/usn-1320-1
FAQ
What is CVE-2011-4579?
CVE-2011-4579 is a vulnerability with a CVSS score of 4.3 (MEDIUM). The svq1_decode_frame function in the SVQ1 decoder (svq1dec.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...
How severe is CVE-2011-4579?
CVE-2011-4579 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-4579?
Check the references section above for vendor advisories and patch information. Affected products include: Ffmpeg Ffmpeg, Libav Libav.