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Ubuntu 10.04 LTS USN-1232-2 High: xorg-server GLX Regression

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Calendar Grey October 19, 2011
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The Ubuntu security announcement USN-1232-2 covers a regression in xorg-server which impacts GLX capabilities for users on Ubuntu 10.04.
USN-1232-1 caused a regression with GLX support.

Summary

USN-1232-1 caused a regression with GLX support.

Software Description:

- xorg-server: X.Org X server

Details:

USN-1232-1 fixed vulnerabilities in the X.Org X server. A regression was

found on Ubuntu 10.04 LTS that affected GLX support.

This update temporarily disables the fix for CVE-2010-4818 that introduced

the regression.

We apologize for the inconvenience.

Original advisory details:

It was discovered that the X server incorrectly handled certain malformed

input. An authorized attacker could exploit this to cause the X server to

crash, leading to a denial or service, or possibly execute arbitrary code

with root privileges. This issue only affected Ubuntu 10.04 LTS and 10.10.

(CVE-2010-4818)

It was discovered that the X server incorrectly handled certain malformed

input. An authorized attacker could exploit this to cause the X server to

crash, leading to a denial or service, or possibly read arbitrary data from

the X server process. Th...

Read the Full Advisory

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 10.04 LTS:
  xserver-xorg-core               2:1.7.6-2ubuntu7.9

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

References

https://ubuntu.com/security/notices/USN-1232-1

https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/877905

Severity
important
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October 19, 2011

Package Information

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