CVE-2014-7933 Information

Description

Use-after-free vulnerability in the matroska_read_seek function in libavformat/matroskadec.c in FFmpeg before 2.5.1 as used in Google Chrome before 40.0.2214.91 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted Matroska file that triggers improper maintenance of tracks data.

Reference

http://git.videolan.org/?p=ffmpeg.git;a=commit;h=490a3ebf36821b81f73e34ad3f554cb523dd2682 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://code.google.com/p/chromium/issues/detail?id=427266