CVE-2015-6761
medium
CVSS v3
—
CVSS v2
6.8
VIR risk
6.8
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-6761
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 7:2.8.1-1 |
| debian | bullseye | fixed | 7:2.8.1-1 |
| debian | forky | fixed | 7:2.8.1-1 |
| debian | sid | fixed | 7:2.8.1-1 |
| debian | trixie | fixed | 7:2.8.1-1 |
References
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=dabea74d0e82ea80cd344f630497cafcb3ef872c
- 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
- https://security-tracker.debian.org/tracker/CVE-2015-6761
CWEs
CWE-362
Verify integrity in audit chain (admin only). AS-IS.