The remote host is missing updates announced in advisory GLSA 200407-15.

All Opera users should upgrade to the latest stable version: # emerge sync # emerge -pv '>=net-www/opera-7.53' # emerge '>=net-www/opera-7.53' http://www.securityspace.com/smysecure/catid.html?in=GLSA%20200407-15 http://bugs.gentoo.org/show_bug.cgi?id=56311 http://bugs.gentoo.org/show_bug.cgi?id=56109 http://www.securityfocus.com/bid/10517 http://secunia.com/advisories/11978/ http://secunia.com/advisories/12028/ http://www.opera.com/linux/changelogs/753/

Opera contains three vulnerabilities, allowing an attacker to impersonate legitimate websites with URI obfuscation or to spoof websites with frame injection.