Opera before 10.01 on Windows does not prevent use of Web fonts in rendering the product’s own user interface, which allows remote attackers to spoof the address field via a crafted web site.
secunia.com/advisories/37182
www.opera.com/docs/changelogs/windows/1001/
www.opera.com/support/kb/view/940/
www.osvdb.org/59359
www.securityfocus.com/bid/36850
www.vupen.com/english/advisories/2009/3073
exchange.xforce.ibmcloud.com/vulnerabilities/54022
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6384