xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to…
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.