The web interface for CUPS before 1.3.10 does not validate the HTTP Host header in a client request, which makes it easier for remote attackers to conduct DNS rebinding attacks.
bugs.gentoo.org/show_bug.cgi?id=263070
lists.apple.com/archives/security-announce/2009/May/msg00002.html
secunia.com/advisories/35074
security.gentoo.org/glsa/glsa-200904-20.xml
support.apple.com/kb/HT3549
wiki.rpath.com/Advisories:rPSA-2009-0061
www.cups.org/articles.php?L582
www.cups.org/str.php?L3118
www.securityfocus.com/archive/1/502750/100/0/threaded
www.securityfocus.com/bid/34665
www.us-cert.gov/cas/techalerts/TA09-133A.html
www.vupen.com/english/advisories/2009/1297
bugzilla.redhat.com/show_bug.cgi?id=490597