CVE 2010-4448
Unspecified vulnerability in the Java Runtime Environment (JRE) in Oracle Java SE and Java for Business 6 Update 23 and earlier, 5.0 Update 27 and earlier, and 1.4.2_29 earlier allows remote untrusted Java Web Start applications and untrusted Java applets to affect integrity via unknown vectors related to Networking. NOTE: the previous information was obtained from the February 2011 CPU. Oracle has not commented on claims from a downstream vendor that this issue involves "DNS cache poisoning by untrusted applets."
See the 
CVE page on Mitre.org
for more details.
