Mandriva Linux Security Advisory – A buffer overflow was found in how 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 potentially allow for the execution of arbitrary code.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/59348/MDKSA-2007-183.txt
Source: https://packetstormsecurity.com/files/59348/Mandriva-Linux-Security-Advisory-2007.183.html