USN-820-1: Pidgin vulnerability

20 August 2009

pidgin vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 9.04
  • Ubuntu 8.10
  • Ubuntu 8.04 LTS

Software Description

  • pidgin


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.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 9.04
pidgin - 1:2.5.5-1ubuntu8.4
Ubuntu 8.10
pidgin - 1:2.5.2-0ubuntu1.4
Ubuntu 8.04 LTS
pidgin - 1:2.4.1-1ubuntu2.6

To update your system, please follow these instructions:

After a standard system upgrade you need to restart Pidgin to effect the necessary changes.