Sun Security Advisory – A vulnerability has been reported in Solaris, which can be exploited by malicious people to cause a denial of service. The vulnerability is caused due to an unspecified error within the processing of XDMCP requests. Successful exploitation crashes the X Display Manager (xdm).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/34007/57619.html
Source: https://packetstormsecurity.com/files/34007/57619.html.html