Common Vulnerabilities and Exposures assigned an identifier CVE-2009-2719 to the following vulnerability: The Java Web Start implementation in Sun Java SE 6 before Update 15 allows context-dependent attackers to cause a denial of service (NullPointerException) via a crafted .jnlp file, as demonstrated by the jnlp_file/appletDesc/index.html#misc test in the Technology Compatibility Kit (TCK) for the Java Network Launching Protocol (JNLP). http://java.sun.com/javase/6/webnotes/6u15.html