CVE-2014-7933
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.
Date published : 2015-01-22
http://www.securityfocus.com/bid/72288
http://git.videolan.org/?p=ffmpeg.git;a=commit;h=490a3ebf36821b81f73e34ad3f554cb523dd2682