Unspecified vulnerability in Opera before 9.63 allows remote attackers to "reveal random data" via unknown vectors.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2008-5654
http://www.opera.com/support/kb/view/924/
http://www.opera.com/docs/changelogs/linux/963/
http://securitytracker.com/id?1021459