https://rhn.redhat.com/errata/RHSA-2004-650.html refers

Changed files are :-

updates/i386/RPMS/libxml-1.8.17-9.2.i386.rpm updates/i386/RPMS/libxml-devel-1.8.17-9.2.i386.rpm

updates/i386/SRPMS/libxml-1.8.17-9.2.src.rpm

yum update libxml will upgrade

These are on mirror.caosity.org now and should be on local mirrors within a few hours.

Lance