wireshark - buffer underflow

Laurent Butti discovered a buffer underflow in the LANalyzer dissector
of the Wireshark network traffic analyzer, which could lead to the
execution of arbitrary code (CVE-2012-0068).

This update also addresses several bugs, which can lead to crashes of
Wireshark. These are not treated as security issues, but are fixed
nonetheless if security updates are scheduled: CVE-2011-3483,
CVE-2012-0041,
CVE-2012-0042,
CVE-2012-0066 and
CVE-2012-0067.

For the stable distribution (squeeze), this problem has been fixed in
version 1.2.11-6+squeeze6.

For the unstable distribution (sid), this problem has been fixed in
version 1.6.5-1.

We recommend that you upgrade your wireshark packages.