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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

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