Secunia Security Advisory – Ubuntu has issued an update for dbus. This fixes a weakness, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/53457/sa23611.txt
Source: https://packetstormsecurity.com/files/53457/Secunia-Security-Advisory-23611.html