Debian Security Advisory 1000-2: -An algorithm weakness has been discovered in Apache2::Request, the generic request library for Apache2 which can be exploited remotely and cause a denial of service via CPU consumption.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/45171/dsa-1000-2.txt
Source: https://packetstormsecurity.com/files/45171/Debian-Linux-Security-Advisory-1000-2.html