=========================================================================Ubuntu Security Notice USN-1818-1
May 07, 2013

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                    8.0.4-0ubuntu0.5
  libgbm1                         8.0.4-0ubuntu0.5
  libgl1-mesa-dri                 8.0.4-0ubuntu0.5
  libgl1-mesa-glx                 8.0.4-0ubuntu0.5
  libgl1-mesa-swx11               8.0.4-0ubuntu0.5
  libglapi-mesa                   8.0.4-0ubuntu0.5
  libgles1-mesa                   8.0.4-0ubuntu0.5
  libgles2-mesa                   8.0.4-0ubuntu0.5
  libglu1-mesa                    8.0.4-0ubuntu0.5
  libopenvg1-mesa                 8.0.4-0ubuntu0.5
  libosmesa6                      8.0.4-0ubuntu0.5
  libxatracker1                   8.0.4-0ubuntu0.5

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

References:
  https://ubuntu.com/security/notices/USN-1818-1
  CVE-2012-5129

Package Information:
  https://launchpad.net/ubuntu/+source/mesa/8.0.4-0ubuntu0.5