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Ubuntu Security Notice USN-2926-1
March 10, 2016

libotr vulnerability
============================================================================

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

- Ubuntu 12.04 LTS

Summary:

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

Software Description:
- libotr: Off-the-Record Messaging library

Details:

Markus Vervier discovered that OTR incorrectly handled large incoming
messages. A remote attacker could use this issue to cause OTR 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 12.04 LTS:
  libotr2                         3.2.0-4ubuntu0.3

After a standard system update you need to restart OTR applications to
make all the necessary changes

References:
  http://www.ubuntu.com/usn/usn-2926-1
  CVE-2016-2851

Package Information:
  https://launchpad.net/ubuntu/+source/libotr/3.2.0-4ubuntu0.3