New Java version is under development. Preliminary JDK versions and information can be found at https://jdk9.java.net/
Java 8 is the current Java version.
Java 8 JDK/JRE update 31 has been released. In addition to several fixes, this release disables by default the SSLv3 protocol which has been found to have a design defect which cannot be solved. If you’re curios about it, have a look here.
Complete bug fix list can be found at http://www.oracle.com/technetwork/java/javase/2col/8u31-bugfixes-2389095.html
JDK 8 can be downloaded from http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
Latest Java 7 update is splitted in two releases:
Update 75 which includes critical security updates only
Update 76 which includes 75 updates plus some other minor updates.
Both updates disable by default the SSLv3 protocol.
Update 75 bug fixes can be found at http://www.oracle.com/technetwork/java/javase/7u75-relnotes-2389086.html
Update 76 bug fixes can be found at http://www.oracle.com/technetwork/java/javase/7u76-relnotes-2389087.html
JDK 7 can be downloaded from http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html
Remember that Java 7 JDK is planned to go to end-of-life on April 2015.