Slackware Security Advisory - New xorg-server packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix security issues.
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Ubuntu Security Notice 3456-1 - It was discovered that the X.Org X server incorrectly handled certain lengths. An attacker able to connect to an X server, either locally or remotely, could use these issues to crash the server, or possibly execute arbitrary code.
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