https://rhn.redhat.com/errata/RHSA-2004-612.html refers
Chaged files are :-
updates/i386/RPMS/XFree86-100dpi-fonts-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-75dpi-fonts-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-base-fonts-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-cyrillic-fonts-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-devel-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-doc-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-font-utils-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-ISO8859-14-100dpi-fonts-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-ISO8859-14-75dpi-fonts-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-ISO8859-15-100dpi-fonts-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-ISO8859-15-75dpi-fonts-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-ISO8859-2-100dpi-fonts-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-ISO8859-2-75dpi-fonts-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-ISO8859-9-100dpi-fonts-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-ISO8859-9-75dpi-fonts-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-libs-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-libs-data-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-Mesa-libGL-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-Mesa-libGLU-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-sdk-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-syriac-fonts-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-tools-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-truetype-fonts-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-twm-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-xauth-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-xdm-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-xfs-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-Xnest-4.3.0-78.EL.i386.rpm updates/i386/RPMS/XFree86-Xvfb-4.3.0-78.EL.i386.rpm
updates/i386/SRPMS/XFree86-4.3.0-78.EL.src.rpm
These packages are on mirror.caosity.org and should sync to local mirrors within a few hours.
To update to the latest version run yum update
Lance