Secunia Security Advisory – Ubuntu has issued an update for qt. This fixes a vulnerability, which can be exploited by malicious people to conduct spoofing attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/81234/sa36702.txt
Source: https://packetstormsecurity.com/files/81234/Secunia-Security-Advisory-36702.html