Customer is entitled to download and use Java SE updates and patches to run the product on the server. In addition, when the Oracle product, uses client-side Java applications (browser-based or standalone), as in the case of OPERA, the customer is entitled to download and install Java SE updates and patches on the desktop PCs used to run the client applications. Incidental use of the same Java-enabled browser to access non-Oracle Java web-based applications is permitted but not supported.
Above content is covered in the My.Oracle.Support Note 1557737. Please refer your customers to this link, to ensure the information provided is the official statement from Oracle. My.Oracle.Support Note 1557737.1