Internet Explorer 6 on Windows XP SP2 allows remote attackers to cause a denial of service (crash) by setting the fonts property of the HtmlDlgSafeHelper object, which triggers a null dereference.Referenceshttp://www.osvdb.org/27055https://exchange.xforce.ibmcloud.com/vulnerabilities/27649http://www.securityfocus.com/bid/18929http://browserfun.blogspot.com/2006/07/mobb-11-htmldlgsafehelper-fonts.htmlhttp://www.vupen.com/english/advisories/2006/2743
