Maybe this is why there was not enough "testing" of the patch...
http://news.yahoo.com/s/afp/20080709/ts_alt_afp/usitinternetsoftwarecrime
"Computer industry heavyweights are hustling to fix a flaw in the foundation of the Internet that would let hackers control traffic on the World Wide Web.
Major software and hardware makers worked in secret for months to create a software "patch" released on Tuesday to repair the problem, which is in the way computers are routed to web page addresses."