The remote host is missing an update to the system as announced in the referenced advisory.

Update your system with the appropriate patches or software upgrades. http://lists.freedesktop.org/archives/xorg-announce/2011-April/001636.html http://www.vuxml.org/freebsd/2eccb24f-61c0-11e0-b199-0015f2db7bde.html

The following package is affected: xrdb CVE-2011-0465 xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a (1) DHCP or (2) XDMCP message.