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Ubuntu Security Notice USN-1623-1
November 05, 2012

mesa vulnerability
============================================================================

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

- Ubuntu 12.04 LTS

Summary:

Mesa could be made to crash or run programs if it processed specially
crafted data.

Software Description:
- mesa: free implementation of the EGL API

Details:

It was discovered that Mesa incorrectly handled certain arrays. An attacker
could use this issue to cause Mesa 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:
  libegl1-mesa                    8.0.4-0ubuntu0.2
  libgl1-mesa-dri                 8.0.4-0ubuntu0.2
  libgl1-mesa-glx                 8.0.4-0ubuntu0.2
  libglapi-mesa                   8.0.4-0ubuntu0.2
  libgles1-mesa                   8.0.4-0ubuntu0.2
  libgles2-mesa                   8.0.4-0ubuntu0.2
  libglu1-mesa                    8.0.4-0ubuntu0.2
  libopenvg1-mesa                 8.0.4-0ubuntu0.2
  libosmesa6                      8.0.4-0ubuntu0.2
  libxatracker1                   8.0.4-0ubuntu0.2

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-1623-1
  CVE-2012-2864

Package Information:
  https://launchpad.net/ubuntu/+source/mesa/8.0.4-0ubuntu0.2