Updated qt packages that correct two security flaws are now available. This update has been rated as having important security impact by the Red Hat Security Response Team.
Qt is a software toolkit that simplifies the task of writing and maintaining GUI (Graphical User Interface) applications for the X Window System. A flaw was found in the way Qt expanded certain UTF8 characters. It was possible to prevent a Qt-based application from properly sanitizing user supplied input. This could, for example, result in a cross-site scripting attack against the Konqueror web browser. (CVE-2007-0242) A buffer overflow flaw was found in the way Qt expanded malformed Unicode strings. If an application linked against Qt parsed a malicious Unicode string, it could lead to a denial of service or possibly allow the execution of arbitrary code. (CVE-2007-4137) Users of Qt should upgrade to these updated packages, which contain a backported patch to correct these issues.
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