USN-1852-1: libdmx vulnerability

Ubuntu Security Notice USN-1852-1

5th 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 version:

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

CVE-2013-1992