A certain Red Hat build script for nfs-utils before 1.0.9-35z.el5_2 on Red Hat Enterprise Linux (RHEL) 5 omits TCP wrappers support, which might allow remote attackers to bypass intended access restrictions.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10638
https://exchange.xforce.ibmcloud.com/vulnerabilities/44256
http://www.securitytracker.com/id?1020589
http://www.securityfocus.com/bid/30466
http://www.redhat.com/support/errata/RHSA-2009-0955.html
http://www.redhat.com/support/errata/RHSA-2008-0486.html