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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2014-7937
• 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;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
• http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=8c50704ebf1777bee76772c4835d9760b3721057