Secunia Security Advisory – A vulnerability has been reported in Cisco IOS XR, which can be exploited by malicious people to cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/80824/sa36390.txt
Source: https://packetstormsecurity.com/files/80824/Secunia-Security-Advisory-36390.html