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USN-1502-1: X.Org X Server vulnerability

11 July 2012

The X.Org X server could be made to crash if a specially crafted input device was added.

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Releases

Packages

Details

Ken Mixter discovered a format string vulnerability in the
LogVHdrMessageVerb function when handling input device names. This
could allow a local attacker to cause a denial of service or possibly
execute arbitrary code.

The default compiler options for the affected release should reduce
the vulnerability to a denial of service.

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 12.04

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

References

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Further reading