Opera Software have released Opera Version 9.63 which addresses multiple security issues.

v 9.63 can be downloaded from

http://www.opera.com/

Details on the security fixes available in the Opera advisories:

http://www.opera.com/support/kb/view/920/
http://www.opera.com/support/kb/view/921/
http://www.opera.com/support/kb/view/922/
http://www.opera.com/support/kb/view/923/
http://www.opera.com/support/kb/view/924/