CentOS Errata and Security Advisory 2008:0884
https://rhn.redhat.com/errata/RHSA-2008-0884.html
The following updated files have been uploaded and are currently syncing to the mirrors:
ia64: updates/ia64/RPMS/libxml2-2.6.16-12.5.ia64.rpm updates/ia64/RPMS/libxml2-devel-2.6.16-12.5.ia64.rpm updates/ia64/RPMS/libxml2-python-2.6.16-12.5.ia64.rpm