Vulnerability Description
The update_dimensions function in libavcodec/vp8.c in FFmpeg through 2.8.1, as used in Google Chrome before 46.0.2490.71 and other products, relies on a coefficient-partition count during multi-threaded operation, which allows remote attackers to cause a denial of service (race condition and memory corruption) or possibly have unspecified other impact via a crafted WebM file.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ffmpeg | Ffmpeg | <= 2.8.1 |
| Chrome | <= 45.0.2454.101 |
Related Weaknesses (CWE)
References
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=dabea74d0e82ea80cd344f63049
- http://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html
- http://rhn.redhat.com/errata/RHSA-2015-1912.html
- http://www.debian.org/security/2015/dsa-3376
- http://www.securityfocus.com/bid/77073
- http://www.securitytracker.com/id/1033816
- http://www.ubuntu.com/usn/USN-2770-1
- http://www.ubuntu.com/usn/USN-2770-2
- https://code.google.com/p/chromium/issues/detail?id=447860
- https://code.google.com/p/chromium/issues/detail?id=532967
- https://codereview.chromium.org/1376913003
- https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html
- https://security.gentoo.org/glsa/201603-09
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=dabea74d0e82ea80cd344f63049
- http://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html
FAQ
What is CVE-2015-6761?
CVE-2015-6761 is a vulnerability with a CVSS score of 6.8 (MEDIUM). The update_dimensions function in libavcodec/vp8.c in FFmpeg through 2.8.1, as used in Google Chrome before 46.0.2490.71 and other products, relies on a coefficient-partition count during multi-thread...
How severe is CVE-2015-6761?
CVE-2015-6761 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-2015-6761?
Check the references section above for vendor advisories and patch information. Affected products include: Ffmpeg Ffmpeg, Google Chrome.