Extremely Severe.
Specially crafted domain names can cause a memory corruption in Opera, which may lead to a crash. Successful exploitation can lead to execution of arbitrary code.
http://www.opera.com/support/kb/view/938/
Less severe.
Opera may allow scripts to run on the feed subscription page, thereby gaining access to the feeds object. This can be used for automatic subscription of feeds, or reading other feeds.
http://www.opera.com/support/kb/view/939/
Less severe.
In some cases, a Web font intended to be used for page content could be incorrectly used by Opera to render parts of the user interface, including the address field. This can be used by a malicious site to display a false domain name in the address field.
http://www.opera.com/support/kb/view/940/
If you don’t receive the update notice when using the program select “Check for Updates†from the Help menu.
Opera 10.01 Download
