USN-514-1: X.org vulnerability

18 September 2007

X.org vulnerability

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Releases

Packages

Details

Aaron Plattner discovered that the Composite extension did not correctly
calculate the size of buffers when copying between different bit depths.
An authenticated user could exploit this to execute arbitrary code with
root privileges.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 6.06

After a standard system upgrade you need to restart your session to effect
the necessary changes.

References

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Further reading