source: http://www.securityfocus.com/bid/19026/info

Outpost Firewall is prone to a local denial-of-service vulnerability.

An attacker can exploit this issue to crash the application, effectively denying service.

Outpost Firewall Pro version 3.5.631 is affected by this issue; other versions may also be vulnerable.

c:\> mshta.exe longgggggggg string