CVE-2012-6472

Opera before 12.12 on UNIX uses weak permissions for the profile directory, which allows local users to obtain sensitive information by reading a (1) cache file, (2) password file, or (3) configuration file, or (4) possibly gain privileges by modifying or overwriting a configuration file.

Date published : 2013-01-02

http://www.opera.com/docs/changelogs/unified/1212/

http://www.opera.com/support/kb/view/1039/