CentOS Errata and Security Advisory 2005:743
https://rhn.redhat.com/errata/RHSA-2005-743.html
The following updated files have been uploaded and are currently syncing to the mirrors:
s390: updates/s390/RPMS/netpbm-10.25-2.EL4.1.s390.rpm updates/s390/RPMS/netpbm-devel-10.25-2.EL4.1.s390.rpm updates/s390/RPMS/netpbm-progs-10.25-2.EL4.1.s390.rpm
s390x: updates/s390x/RPMS/netpbm-10.25-2.EL4.1.s390x.rpm updates/s390x/RPMS/netpbm-devel-10.25-2.EL4.1.s390x.rpm updates/s390x/RPMS/netpbm-progs-10.25-2.EL4.1.s390x.rpm