The intu-help-qb (aka Intuit Help System Async Pluggable Protocol) handlers in HelpAsyncPluggableProtocol.dll in Intuit QuickBooks 2009 through 2012, when Internet Explorer is used, allow remote attackers to cause a denial of service (application crash) via a long URI.
https://exchange.xforce.ibmcloud.com/vulnerabilities/75176
http://www.kb.cert.org/vuls/id/232979
http://packetstormsecurity.org/files/111403/Intuit-Help-System-Protocol-File-Retrieval.html