HTC Touch Pro and HTC Touch Cruise vCard allows remote attackers to cause denial of service (CPU consumption, SMS consumption, and connectivity loss) via a flood of vCards to UDP port 9204.
https://exchange.xforce.ibmcloud.com/vulnerabilities/47497
http://www.securityfocus.com/archive/1/499416/100/0/threaded
http://www.mseclab.com/index.php?page_id=110
http://archives.neohapsis.com/archives/fulldisclosure/2009-02/0370.html