Descriptiondemux/mkv/mkv.hpp in the MKV demuxer plugin in VideoLAN VLC media player 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.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
NVD severityhigh (attack range: remote, user-initiated)
Debian/oldoldstablenot vulnerable.
Debian/oldstablenot vulnerable.
Debian/stablenot vulnerable.
Debian/testingnot vulnerable.
Debian/unstablenot vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
vlc (PTS)squeeze, squeeze (security)1.1.3-1squeeze6fixed
wheezy (security), wheezy2.0.3-5+deb7u2fixed
jessie (security), jessie2.2.0~rc2-2+deb8u1fixed
stretch, sid2.2.1-4fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs

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