“This year, Secunia published advisories for the four most widely used web browsers: Internet Explorer (IE), Safari, Opera, and Mozilla Firefox. 31 vulnerabilities were reported for Internet Explorer (IE 5.x, 6.x, and 7), including those publicly disclosed prior to vendor patch as well as those included in Microsoft Security Bulletins. Safari and Opera each had 32 and 30 vulnerabilities, whereas 115 vulnerabilities were registered for Firefox in 2008. Figure 3 presents an overview of vulnerabilities pertaining to the four most popular browsers.”
http://www.favbrowser.com/firefox-browser-with-the-most-disclosed-vulnerabilities/
