Olivier Fourdan discovered that missing input validation in the Xserver's handling of XkbSetGeometry requests may result in an information leak or denial of service.

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Debian Security Advisory DSA-3160-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
	
http://www.debian.org/security/                        Moritz Muehlenhoff
February 11, 2015                      http://www.debian.org/security/faq
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Package        : xorg-server
CVE ID         : CVE-2015-0255

Olivier Fourdan discovered that missing input validation in the Xserver's
handling of XkbSetGeometry requests may result in an information leak
or denial of service.

For the stable distribution (wheezy), this problem has been fixed in
version 2:1.12.4-6+deb7u6.

For the unstable distribution (sid), this problem has been fixed in
version 2:1.16.4-1.

We recommend that you upgrade your xorg-server packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

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