Another null pointer exploit

Updates to correct this vulnerability were released earlier this week for Red Hat Enterprise Linux 3, 4, 5, and Red Hat Enterprise MRG. See https://www.redhat.com/security/data/cve/CVE-2009-3547.html. We have also written a knowledgebase article on how to mitigate against future NULL pointer dereference vulnerabilities on Red Hat Enterprise Linux. You can find out more about this at: http://kbase.redhat.com/faq/docs/DOC-20536. Thanks.