Referenced CVEs: 
CVE-2007-0537
Description: 
=========================================================== Ubuntu Security Notice USN-420-1 February 06, 2007 kdelibs vulnerability CVE-2007-0537 =========================================================== 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 4:3.4.3-0ubuntu2.2 Ubuntu 6.06 LTS: kdelibs4c2a 4:3.5.2-0ubuntu18.2 Ubuntu 6.10: kdelibs4c2a 4:3.5.5-0ubuntu3.1 After a standard system upgrade you need to restart your session to effect the necessary changes. Details follow: Jose Avila III and Robert Tasarz discovered that the KDE HTML library did not correctly parse HTML comments inside the "title" tag. By tricking a Konqueror user into visiting a malicious website, an attacker could bypass cross-site scripting protections.