Research in Motion (RIM) BlackBerry Handheld web browser for BlackBerry Handheld before 4.0.2 allows remote attackers to cause a denial of service (hang) via a Java Application Description (JAD) file with a long application name and vendor string, which prevents a browser dialog from being properly dismissed.
http://www.vupen.com/english/advisories/2006/0011
http://www.securityfocus.com/bid/16099