Red Hat Security Advisory 2012-1386-01 - These packages provide the OpenJDK 7 Java Runtime Environment and the OpenJDK 7 Software Development Kit. Multiple improper permission check issues were discovered in the Beans, Libraries, Swing, and JMX components in OpenJDK. An untrusted Java application or applet could use these flaws to bypass Java sandbox restrictions. The default Java security properties configuration did not restrict access to certain com.sun.org.glassfish packages. An untrusted Java application or applet could use these flaws to bypass Java sandbox restrictions. This update lists those packages as restricted.
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