Unspecified vulnerability in the Java Plug-in for Sun JDK and JRE 6 Update 4 and earlier, and 5.0 Update 14 and earlier; and SDK and JRE 1.4.2_16 and earlier, and 1.3.1_21 and earlier; allows remote attackers to bypass the same origin policy and "execute local applications" via unknown vectors.
Software security is not security software. Here we're concerned with topics like authentication, access control, confidentiality, cryptography, and privilege management.