Download the authoritative guide: Cloud Computing 2018: Using the Cloud to Transform Your BusinessThere are a number of really good reasons to update to the latest version of Java. Not the least of which is the fact that older versions of the Java Runtime Environment have now been reported to be at risk from seven highly critical vulnerabilities.
Sun advisory number 102171 describes the vulnerabilities and is titled, "Security Vulnerabilities in the Java Runtime Environment may Allow an Untrusted Applet to Elevate its Privileges."
According to security firm Secunia, various unspecified errors in the "reflection" APIs cause the vulnerabilities, which could lead to a system compromise.
Sun's advisory does not specify what the actual errors are. A Sun spokesperson was not immediately available for comment.
IBM issued its own "technote faq" in December.