IBM J2SE version 5.0 includes the IBM Java Runtime Environment and the IBM Java Software Development Kit. This update fixes several vulnerabilities in the IBM Java Runtime Environment and the IBM Java Software Development Kit. Further information about these flaws can be found on the IBM Java Security alerts page, listed in the References section. Note: This update forces the TLS/SSL client implementation in IBM JDK to reject DH key sizes below 768 bits to address the CVE-2015-4000 issue. Refer to Red Hat Bugzilla bug 1223211, linked to in the References section, for additional details about this change. IBM Java SDK and JRE 5.0 will not receive software updates after September 2015. This date is referred to as the End of Service date. Customers are advised to migrate to current versions of IBM Java at this time. IBM Java SDK and JRE versions 6 and 7 are available via the Red Hat Enterprise Linux 5 and 6 Supplementary content sets and will continue to receive updates based on IBM"s lifecycle policy, linked to in the References section. Customers can also consider OpenJDK, an open source implementation of the Java SE specification. OpenJDK is available by default on supported hardware architectures. All users of java-1.5.0-ibm are advised to upgrade to these updated packages, containing the IBM J2SE 5.0 SR16-FP13 release. All running instances of IBM Java must be restarted for this update to take effect.