This script is Copyright (C) 2009-2013 Tenable Network Security, Inc.
The remote FreeBSD host is missing a security-related update.
Amit Klein reports about Xerces-C++ :
An attacker can craft a malicious XML document, which uses XML
attributes in a way that inflicts a denial of service condition on the
target machine (XML parser). The result of this attack is that the XML
parser consumes all the CPU.
See also :
Update the affected package.
Risk factor :
Medium / CVSS Base Score : 5.0
CVSS Temporal Score : 4.3
Public Exploit Available : true