Debian Security Advisory 1151-1 – Yan Rong Ge discovered out-of-boundary memory access in heartbeat, the subsystem for High-Availability Linux. This could be used by a remote attacker to cause a denial of service.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/49309/dsa-1151-1.txt
Source: https://packetstormsecurity.com/files/49309/Debian-Linux-Security-Advisory-1151-1.html