USN-2436-1 fixed vulnerabilities in the X.Org X server. Since publication,additional fixes have been made available for these issues. This updateadds the additional fixes. Original advisory details: Ilja van Sprundel discovered a multitude of security issues in the X.Org X server. An attacker able to connect to an X server, either locally or remotely, could use these issues to cause the X server to crash or execute arbitrary code resulting in possible privilege escalation. The problem can be corrected by updating your system to the following package version: To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard system update you need to reboot your computer to makeall the necessary changes. LP: 1400942
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