CVE-2014-7937: Buffer Overflow
First published: Thu Jan 22 2015(Updated: )
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.
Credit: cve-coordination@google.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FFmpeg | <=2.4.1 | |
| Google Chrome | <=40.0.2214.85 |
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Reference Links
- 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
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=8c50704ebf1777bee76772c4835d9760b3721057
Frequently Asked Questions
What is the severity of CVE-2014-7937?
CVE-2014-7937 has a severity rating that indicates it can lead to denial of service due to use-after-free vulnerabilities.
How do I fix CVE-2014-7937?
To mitigate CVE-2014-7937, upgrade FFmpeg to version 2.4.2 or higher or update Google Chrome to version 40.0.2214.91 or higher.
What software versions are affected by CVE-2014-7937?
CVE-2014-7937 affects FFmpeg versions prior to 2.4.2 and Google Chrome versions prior to 40.0.2214.91.
What type of vulnerability is CVE-2014-7937 classified as?
CVE-2014-7937 is classified as an off-by-one error vulnerability that can lead to unexpected behavior or crashes.
Can CVE-2014-7937 be exploited remotely?
Yes, CVE-2014-7937 can be exploited remotely via crafted Vorbis I data to cause a denial of service.
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- agent/software-canonical-lookup-request
- vendor/ffmpeg
- canonical/ffmpeg
- version/ffmpeg/2.4.1
- vendor/google
- canonical/google chrome
- version/google chrome/40.0.2214.85