Vulnerability Description
nsvdec.c in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1, allows remote attackers to cause a denial of service (out-of-bounds read and write) via a crafted NSV file that triggers "use of uninitialized streams."
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ffmpeg | Ffmpeg | 0.7.1 |
| Libav | Libav | 0.5 |
Related Weaknesses (CWE)
References
- http://ffmpeg.org/
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=5c011706bc752d34bc6ada3
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=8fd8a48263ff1437f9d02d7
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=c898431ca5ef2a997fe9388
- http://libav.org/
- http://secunia.com/advisories/49089
- http://www.debian.org/security/2012/dsa-2471
- http://www.ubuntu.com/usn/USN-1479-1
- http://ffmpeg.org/
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=5c011706bc752d34bc6ada3
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=8fd8a48263ff1437f9d02d7
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=c898431ca5ef2a997fe9388
- http://libav.org/
- http://secunia.com/advisories/49089
- http://www.debian.org/security/2012/dsa-2471
FAQ
What is CVE-2011-3940?
CVE-2011-3940 is a vulnerability with a CVSS score of 6.8 (MEDIUM). nsvdec.c in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1, allows remote attackers t...
How severe is CVE-2011-3940?
CVE-2011-3940 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-3940?
Check the references section above for vendor advisories and patch information. Affected products include: Ffmpeg Ffmpeg, Libav Libav.