CVE 2009-1101
Unspecified vulnerability in the lightweight HTTP server implementation in Java SE Development Kit (JDK) and Java Runtime Environment (JRE) 6 Update 12 and earlier allows remote attackers to cause a denial of service (probably resource consumption) for a JAX-WS service endpoint via a connection without any data, which triggers a file descriptor "leak."
See the 
CVE page on Mitre.org
for more details.
