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=========================================================== Ubuntu Security Notice USN-280-1 May 04, 2006 xorg vulnerability CVE-2006-1526 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 5.04 (Hoary Hedgehog) Ubuntu 5.10 (Breezy Badger) The following packages are affected: xserver-xorg xserver-xorg-core The problem can be corrected by upgrading the affected package to version 6.8.2-10.2 (for Ubuntu 5.04) or 6.8.2-77.1 (for Ubuntu 5.10). After a standard system upgrade you need to restart X.org by restarting your session to effect the necessary changes. Details follow: The Render extension of the X.org server incorrectly calculated the size of a memory buffer, which led to a buffer overflow. A local attacker could exploit this to crash the X server or even execute arbitrary code with root privileges.