User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; it-IT; rv:1.7.8) Gecko/20050511 Firefox/1.0.4 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; it-IT; rv:1.7.8) Gecko/20050511 Firefox/1.0.4 In this page at http://www.orebla.it/moduli/extra/10testf.htm you can try the test. When the page is loaded firefox crash, cause of javascript and iframe script. I don't uncovered this vulnerability and i don't know the details, but this vulnerability is similar to an other for Firefox 1.1. Reproducible: Sometimes Steps to Reproduce: 1.Load the page 2.firefox crash 3. I emphasize that I do not have uncovered the vulnerability. I have found this in Internet

*** This bug has been marked as a duplicate of 293919 ***