CVE 2012-0505
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 2 and earlier, 6 Update 30 and earlier, 5 Update 33 and earlier, and 1.4.2_35 and earlier allows remote untrusted Java Web Start applications and untrusted Java applets to affect confidentiality, integrity, and availability via unknown vectors related to Serialization.
See the 
CVE page on Mitre.org
for more details.
