CVE 2011-0865

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 integrity via unknown vectors related to Deserialization.

See the CVE page on Mitre.org for more details.