Sun disclosed these vulnerability details in http://sunsolve.sun.com/search/document.do?assetkey=1-66-231261-1 : Two vulnerabilities in the Java Runtime Environment may independently allow an untrusted application or applet that is downloaded from a website to elevate its privileges. For example, the application or applet may grant itself permissions to read and write local files or execute local applications that are accessible to the user running the untrusted application or applet.
Affected: * JDK and JRE 6 Update 1 or earlier * JDK and JRE 5.0 Update 13 or earlier (