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=========================================================== Ubuntu Security Notice USN-452-1 April 11, 2007 kdelibs, qt-x11-free vulnerability CVE-2007-0242 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 5.10 Ubuntu 6.06 LTS Ubuntu 6.10 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 5.10: kdelibs4c2 4:3.4.3-0ubuntu2.4 libqt3-mt 3:3.3.4-8ubuntu5.2 Ubuntu 6.06 LTS: kdelibs4c2a 4:3.5.2-0ubuntu18.4 libqt3-mt 3:3.3.6-1ubuntu6.2 Ubuntu 6.10: kdelibs4c2a 4:3.5.5-0ubuntu3.4 libqt3-mt 3:3.3.6-3ubuntu3.1 After a standard system upgrade you need to restart your session or reboot your computer to effect the necessary changes. Details follow: The Qt library did not correctly handle truncated UTF8 strings, which could cause some applications to incorrectly filter malicious strings. If a Konqueror user were tricked into visiting a web site containing specially crafted strings, normal XSS prevention could be bypassed allowing a remote attacker to steal confidential data.