The two patched versions are Java 7 update 7 and Java 6 update 35. Windows users can download the latest version of Java direct from Oracle.

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 21 and earlier, 6 Update 45 and earlier, and 5.0 Update 45 and earlier, and OpenJDK 7, allows ...

Attackers have developed a proof of concept for a previously patched Java vulnerability in Java 6 and it’s now being exploited in the wild.