It was discovered that the java.lang.invoke.MethodHandle implementation did not properly do access control checks. An untrusted Java application or applet could use this flaw to bypass Java sandbox restrictions.
Fixed now in Oracle JDK 7u9. External Reference: http://www.oracle.com/technetwork/topics/security/javacpuoct2012-1515924.html
This issue has been addressed in following products: Red Hat Enterprise Linux 6 Via RHSA-2012:1386 https://rhn.redhat.com/errata/RHSA-2012-1386.html
Fix included in IcedTea7 versions 2.1.3, 2.2.3 and 2.3.3: http://mail.openjdk.java.net/pipermail/distro-pkg-dev/2012-October/020571.html http://icedtea.classpath.org/hg/release/icedtea7-forest-2.3/jdk/rev/43113374306c
This issue has been addressed in following products: Supplementary for Red Hat Enterprise Linux 6 Via RHSA-2012:1391 https://rhn.redhat.com/errata/RHSA-2012-1391.html
This issue has been addressed in following products: Supplementary for Red Hat Enterprise Linux 6 Via RHSA-2012:1467 https://rhn.redhat.com/errata/RHSA-2012-1467.html