Buffer overflow in FFmpeg - CVE-2014-7937
Published: January 3, 2017 / Updated: June 8, 2025
Vulnerability identifier: #VU110592
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-7937
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Multiple off-by-one errors in libavcodec/vorbisdec.c in FFmpeg before 2.4.2, as used in Google Chrome before 40.0.2214.91, allow remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted Vorbis I data.
Affected software
FFmpeg
Gentoo Linux
media-video/ffmpeg
Gentoo Linux
media-video/ffmpeg
How to mitigate CVE-2014-7937
Install update from vendor's website.
FFmpeg - update to 2.4.2
media-video/ffmpeg - update to 2.6.3
media-video/ffmpeg - update to 2.6.3
External References
- http://git.videolan.org/?p=ffmpeg.git;a=commit;h=8c50704ebf1777bee76772c4835d9760b3721057
- http://googlechromereleases.blogspot.com/2015/01/stable-update.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00005.html
- http://rhn.redhat.com/errata/RHSA-2015-0093.html
- http://secunia.com/advisories/62383
- http://secunia.com/advisories/62575
- http://secunia.com/advisories/62665
- http://security.gentoo.org/glsa/glsa-201502-13.xml
- http://www.securityfocus.com/bid/72288
- http://www.securitytracker.com/id/1031623
- http://www.ubuntu.com/usn/USN-2476-1
- https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/d4608b7c83f56b17f14fdd94990341f62bb52f92
- https://code.google.com/p/chromium/issues/detail?id=419060
- https://security.gentoo.org/glsa/201603-06