The remote host has a web browser installed that may contain multiple vulnerabilities.
Starting from version 15, the Opera web browser uses Google's open-source Chromium rendering engine. Versions older than Opera 16 do not contain the myriad of security fixes from the contemporary version of Chromium, which is version 29. Users are advised to upgrade to Opera 16 or the latest version of Opera for security updates.
Upgrade to Opera 16.0 or later.