USN-1852-1: libdmx vulnerability

5 June 2013

libdmx vulnerability

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

  • Ubuntu 13.04
  • Ubuntu 12.10
  • Ubuntu 12.04 LTS

Summary

Several security issues were fixed in libdmx.

Software Description

  • libdmx - X11 Distributed Multihead extension library

Details

Ilja van Sprundel discovered multiple security issues in various X.org libraries and components. An attacker could use these issues to cause applications 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 13.04
libdmx1 - 1:1.1.2-1ubuntu0.13.04.1
Ubuntu 12.10
libdmx1 - 1:1.1.2-1ubuntu0.12.10.1
Ubuntu 12.04 LTS
libdmx1 - 1:1.1.1-1ubuntu0.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References