View at Official ubuntu advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2011-0465 medium priority: Ubuntu including 1 source packages (x11-xserver-utils), 6 status rows across 6 suites (dapper, hardy, karmic, lucid, maverick, upstream): released 4, DNE 1, needs-triage 1.
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.