USN-2215-1: libgadu vulnerability

21 May 2014

libgadu vulnerability

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

  • Ubuntu 13.10
  • Ubuntu 12.04 LTS


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

Software Description

  • libgadu - Gadu-Gadu protocol library


It was discovered that libgadu incorrectly handled certain messages from file relay servers. A malicious remote server or a man in the middle could use this issue to cause applications using libgadu 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 13.10
libgadu3 - 1:1.11.2-1ubuntu1.2
Ubuntu 12.04 LTS
libgadu3 - 1:1.11.1-1ubuntu0.2

To update your system, please follow these instructions:

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