Secunia Security Advisory – Three vulnerabilities have 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/45608/sa19740.txt
Source: https://packetstormsecurity.com/files/45608/Secunia-Security-Advisory-19740.html