CVE 2008-3104
Multiple unspecified vulnerabilities in Sun Java Runtime Environment (JRE) in JDK and JRE 6 before Update 7, JDK and JRE 5.0 before Update 16, SDK and JRE 1.4.x before 1.4.2_18, and SDK and JRE 1.3.x before 1.3.1_23 allow remote attackers to violate the security model for an applet's outbound connections by connecting to localhost services running on the machine that loaded the applet.
See the 
CVE page on Mitre.org
for more details.
