An updated ypbind package is available for CentOS-3 x86_64
A new ypbind package is available for CentOS-3 x86_64. Refer to https://rhn.redhat.com/errata/RHBA-2004-485.html.
RPMS/ypbind-1.12-5.21.1.x86_64.rpm
SRPMS/ypbind-1.12-5.21.1.src.rpm
Execute "yum update ypbind" to apply.