A flaw was found in the HotSpot component in OpenJDK. Certain bytecode instructions confused the memory management within the Java Virtual Machine (JVM), which could lead to heap corruption.
This issue has been addressed in following products: Supplementary for Red Hat Enterprise Linux 5 Supplementary for Red Hat Enterprise Linux 6 Extras for RHEL 4 Via RHSA-2011:0282 https://rhn.redhat.com/errata/RHSA-2011-0282.html
This issue has been addressed in following products: Red Hat Enterprise Linux 5 Red Hat Enterprise Linux 6 Via RHSA-2011:0281 https://rhn.redhat.com/errata/RHSA-2011-0281.html