CVE-2015-6761
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…
Does this matter?
Lower severity and a low EPSS score (1.05%). Track it; it rarely justifies an emergency change on its own.
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 2.0
- 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 1.05% probability · 64th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- ffmpeg/ffmpeg · google/chrome
- Source
- chrome-cve-admin@google.com
EPSS 1.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.