Secunia Security Advisory – Debian has issued an update for qt4-x11. This fixes some vulnerabilities, which can be exploited by malicious people to disclose sensitive information, bypass certain security restrictions, conduct spoofing attacks, or compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/85909/sa38447.txt
Source: https://packetstormsecurity.com/files/85909/Secunia-Security-Advisory-38447.html