Debian Security Advisory 1658-1 – Colin Walters discovered that the dbus_signature_validate function in dbus, a simple interprocess messaging system, is prone to a denial of service attack.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/71136/dsa-1658-1.txt
Source: https://packetstormsecurity.com/files/71136/Debian-Linux-Security-Advisory-1658-1.html