SUSE CVE-2012-1929

Opera before 11.62 on Mac OS X allows remote attackers to spoof the address field and security dialogs via crafted styling that causes page content to be displayed outside of the intended content area...

Web page content may overlap the address field – Opera Security Advisories

The browser’s user interface contains several pieces of security information. To preserve this information correctly, web page content should not be able to display over the user interface. Certain styling can cause Opera to allow the content to be displayed outside the page, over the address...