It was discovered that the PNGImageReader in the javax.imageio package of the 2D component of OpenJDK performed parsing of iTXt and zTXt PNG image chunks even when ignoreMetadata was set to true. An attacker able to make a Java application parse a specially crafted PNG image could cause the application to consume an excessive amount of memory.
Public now via Oracle CPU January 2017: http://www.oracle.com/technetwork/security-advisory/cpujan2017-2881727.html#AppendixJAVA The issue was fixed in Oracle JDK 8u121, 7u131, and 6u141.
OpenJDK 8 upstream commit: http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/b59238f0e161
This issue has been addressed in the following products: Oracle Java for Red Hat Enterprise Linux 7 Oracle Java for Red Hat Enterprise Linux 6 Oracle Java for Red Hat Enterprise Linux 5 Via RHSA-2017:0176 https://rhn.redhat.com/errata/RHSA-2017-0176.html
This issue has been addressed in the following products: Oracle Java for Red Hat Enterprise Linux 6 Oracle Java for Red Hat Enterprise Linux 7 Via RHSA-2017:0175 https://rhn.redhat.com/errata/RHSA-2017-0175.html
This issue has been addressed in the following products: Oracle Java for Red Hat Enterprise Linux 5 Oracle Java for Red Hat Enterprise Linux 6 Oracle Java for Red Hat Enterprise Linux 7 Via RHSA-2017:0177 https://rhn.redhat.com/errata/RHSA-2017-0177.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Red Hat Enterprise Linux 7 Via RHSA-2017:0180 https://rhn.redhat.com/errata/RHSA-2017-0180.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Supplementary Red Hat Enterprise Linux 7 Supplementary Via RHSA-2017:0263 https://rhn.redhat.com/errata/RHSA-2017-0263.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Red Hat Enterprise Linux 7 Red Hat Enterprise Linux 5 Via RHSA-2017:0269 https://rhn.redhat.com/errata/RHSA-2017-0269.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 5 Supplementary Via RHSA-2017:0337 https://rhn.redhat.com/errata/RHSA-2017-0337.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Supplementary Red Hat Enterprise Linux 7 Supplementary Via RHSA-2017:0336 https://rhn.redhat.com/errata/RHSA-2017-0336.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Supplementary Red Hat Enterprise Linux 5 Supplementary Via RHSA-2017:0338 https://rhn.redhat.com/errata/RHSA-2017-0338.html
This issue has been addressed in the following products: Red Hat Satellite 5.6 Red Hat Satellite 5.7 Via RHSA-2017:1216 https://access.redhat.com/errata/RHSA-2017:1216