HTTP response heap buffer overflow can allow execution of arbitrary code

When requesting pages using HTTP, Opera temporarily stores the response in a buffer. In some cases, Opera may incorrectly allocate too little space for a buffer, and may then store too much of the response in that buffer. This causes a buffer overflow, which in turn can lead to a memory corruptio...

Web page dialogs can be used to to display the wrong address in the address field

The address field should always show the correct address for the page that is loaded. If a page can cause Opera to display certain dialogs relating to a target site, the dialog may in some cases cause Opera to display the target site's address instead of the correct address. This can allow an...

Carefully timed reloads and redirects can spoof the address field

The address field should always show the address of the page that is being displayed. In certain cases, if a target site responds slowly, reloading an attacking page and redirecting to the target page can cause the address field to show the target site's address, while the attacking site is still...