Unspecified vulnerability in Opera before 9.27 has unknown impact and attack vectors related to "keyboard handling of password inputs."
https://exchange.xforce.ibmcloud.com/vulnerabilities/41834
http://www.opera.com/docs/changelogs/windows/927/
http://www.opera.com/docs/changelogs/linux/927/
http://security.gentoo.org/glsa/glsa-200804-14.xml
http://secunia.com/advisories/29735
http://secunia.com/advisories/29679
http://lists.opensuse.org/opensuse-security-announce/2008-04/msg00007.html