CVE 2011-0867
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 6 Update 25 and earlier, 5.0 Update 29 and earlier, and 1.4.2_31 and earlier allows remote untrusted Java Web Start applications and untrusted Java applets to affect confidentiality via unknown vectors related to Networking.
See the 
CVE page on Mitre.org
for more details.
