demux/mkv/mkv.hpp in the MKV demuxer plugin in VideoLAN VLC media player 1.1.6.1 and earlier allows remote attackers to cause a denial of service (crash) and execute arbitrary commands via a crafted MKV (WebM or Matroska) file that triggers memory corruption, related to “class mismatching” and the MKV_IS_ID macro.
git.videolan.org/?p=vlc.git%3Ba=commit%3Bh=59491dcedffbf97612d2c572943b56ee4289dd07
osvdb.org/70698
secunia.com/advisories/43131
secunia.com/advisories/43242
www.debian.org/security/2011/dsa-2159
www.openwall.com/lists/oss-security/2011/01/31/4
www.openwall.com/lists/oss-security/2011/01/31/8
www.securityfocus.com/bid/46060
www.securitytracker.com/id?1025018
www.videolan.org/security/sa1102.html
www.vupen.com/english/advisories/2011/0363
exchange.xforce.ibmcloud.com/vulnerabilities/65045
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12415