These packages provide the OpenJDK 6 Java Runtime Environment and theOpenJDK 6 Software Development Kit.An integer overflow flaw was found in the way the 2D component handledcertain sample model instances. A specially-crafted sample model instancecould cause Java Virtual Machine memory corruption and, possibly, lead toarbitrary code execution with virtual machine privileges. (CVE-2013-0809)It was discovered that the 2D component did not properly reject certainmalformed images. Specially-crafted raster parameters could cause JavaVirtual Machine memory corruption and, possibly, lead to arbitrary codeexecution with virtual machine privileges. (CVE-2013-1493)Note: If your system has not yet been upgraded to Red Hat Enterprise Linux6.4 and the web browser plug-in provided by the icedtea-web package wasinstalled, the issues exposed via Java applets could have been exploitedwithout user interaction if a user visited a malicious website. Thus, thisupdate has been rated as having critical security impact as a one timeexception. The icedtea-web package as provided with Red Hat EnterpriseLinux 6.4 uses OpenJDK 7 instead.This erratum also upgrades the OpenJDK package to IcedTea6 1.11.9. Refer tothe NEWS file, linked to in the References, for further information.All users of java-1.6.0-openjdk are advised to upgrade to these updatedpackages, which resolve these issues. All running instances of OpenJDK Javamust be restarted for the update to take effect.