Security Vulnerability CVE-2013-1481 in Oracle JDK
Supported versions that are affected are 6 Update 38 and before, 5.0 Update 38 and before and 1.4.2_40 and before. Easily exploitable vulnerability allows successful unauthenticated network attacks via multiple protocols. Successful attack of this vulnerability can result in unauthorized Operating System takeover including arbitrary code execution. Note: Applies to client deployment of Java only. This vulnerability can be exploited only through untrusted Java Web Start applications and untrusted Java applets. (Untrusted Java Web Start applications and untrusted applets run in the Java sandbox with limited privileges.).