Secunia Security Advisory – Avaya has acknowledged a vulnerability in XFree86 included in various Avaya products, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/49895/sa21836.txt
Source: https://packetstormsecurity.com/files/49895/Secunia-Security-Advisory-21836.html