=========================================================================Ubuntu Security Notice USN-2216-1
May 21, 2014

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

- Ubuntu 14.04 LTS
- Ubuntu 13.10
- Ubuntu 12.04 LTS

Summary:

Pidgin could be made to crash or run programs if it received specially
crafted network traffic.

Software Description:
- pidgin: graphical multi-protocol instant messaging client for X

Details:

It was discovered that Pidgin incorrectly handled certain messages from
Gadu-Gadu file relay servers. A malicious remote server or a man in the
middle could use this issue to cause Pidgin to crash, resulting in a denial
of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 14.04 LTS:
  libpurple0                      1:2.10.9-0ubuntu3.1
  pidgin                          1:2.10.9-0ubuntu3.1

Ubuntu 13.10:
  libpurple0                      1:2.10.7-0ubuntu4.1.13.10.2
  pidgin                          1:2.10.7-0ubuntu4.1.13.10.2

Ubuntu 12.04 LTS:
  libpurple0                      1:2.10.3-0ubuntu1.5
  pidgin                          1:2.10.3-0ubuntu1.5

After a standard system update you need to restart Pidgin to make all the
necessary changes.

References:
  https://ubuntu.com/security/notices/USN-2216-1
  CVE-2014-3775

Package Information:
  https://launchpad.net/ubuntu/+source/pidgin/1:2.10.9-0ubuntu3.1
  https://launchpad.net/ubuntu/+source/pidgin/1:2.10.7-0ubuntu4.1.13.10.2
  https://launchpad.net/ubuntu/+source/pidgin/1:2.10.3-0ubuntu1.5