Package        : unrar-nonfree
Version        : 1:4.1.4-1+deb7u2
CVE ID         : CVE-2012-6706
Debian Bug     : #865461

It was reported that unrar fixed a VMSF_DELTA memory corruption issue in
their latest version unrarsrc-5.5.5.tar.gz. This problem was reported to
Sophos AV in 2012 but never reach upstream rar.

For Debian 7 "Wheezy", these problems have been fixed in version
1:4.1.4-1+deb7u2.

We recommend that you upgrade your unrar-nonfree packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS