Ubuntu USN-820-1 (pidgin)

Summary
The remote host is missing an update to pidgin announced via advisory USN-820-1.
Solution
The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: libgnutls12 1.2.9-2ubuntu1.7 Ubuntu 8.04 LTS: libgnutls13 2.0.4-1ubuntu2.6 Ubuntu 8.10: libgnutls26 2.4.1-1ubuntu0.4 Ubuntu 9.04: libgnutls26 2.4.2-6ubuntu0.1 In general, a standard system upgrade is sufficient to effect the necessary changes. https://secure1.securityspace.com/smysecure/catid.html?in=USN-820-1
Insight
Federico Muttis discovered that Pidgin did not properly handle certain malformed messages in the MSN protocol handler. A remote attacker could send a specially crafted message and possibly execute arbitrary code with user privileges.