An updated iputils package has been released for CentOS-3 x86_64
A new iputils package is available for CentOS-3 x86_64. Refer to https://rhn.redhat.com/errata/RHBA-2004-492.html.
RPMS/iputils-20020927-11.30.1.x86_64.rpm
SRPMS/iputils-20020927-11.30.1.src.rpm
Execute "yum update iputils" to apply.