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=========================================================== Ubuntu Security Notice USN-341-1 September 06, 2006 libxfont, xorg vulnerability CVE-2006-3467 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 5.04 Ubuntu 5.10 Ubuntu 6.06 LTS This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 5.04: libfs6 6.8.2-10.3 xserver-xorg 6.8.2-10.3 Ubuntu 5.10: libxfont1 1:0.99.0+cvs.20050909-1.1 Ubuntu 6.06 LTS: libxfont1 1:1.0.0-0ubuntu3.1 After a standard system upgrade you need to reboot your computer to effect the necessary changes. Details follow: An integer overflow has been discovered in X.org's font handling library. By using a specially crafted font file, this could be exploited to crash the X server or execute arbitrary code with root privileges.