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. Detailed vulnerability descriptions are linked from the IBM Security alerts page, listed in the References section. All users of java-1.5.0-ibm are advised to upgrade to these updated packages, containing the IBM J2SE 5.0 SR16-FP4 release. All running instances of IBM Java must be restarted for this update to take effect.