CentOS Errata and Security Advisory 2008:0030 Important
https://rhn.redhat.com/errata/RHSA-2008-0030.html

The following updated files have been uploaded and are currently syncing to the mirrors:

x86_64:
xorg-x11-6.8.2-1.EL.33.0.2.x86_64.rpm
xorg-x11-deprecated-libs-6.8.2-1.EL.33.0.2.i386.rpm
xorg-x11-deprecated-libs-6.8.2-1.EL.33.0.2.x86_64.rpm
xorg-x11-deprecated-libs-devel-6.8.2-1.EL.33.0.2.i386.rpm
xorg-x11-deprecated-libs-devel-6.8.2-1.EL.33.0.2.x86_64.rpm
xorg-x11-devel-6.8.2-1.EL.33.0.2.i386.rpm
xorg-x11-devel-6.8.2-1.EL.33.0.2.x86_64.rpm
xorg-x11-doc-6.8.2-1.EL.33.0.2.x86_64.rpm
xorg-x11-font-utils-6.8.2-1.EL.33.0.2.x86_64.rpm
xorg-x11-libs-6.8.2-1.EL.33.0.2.i386.rpm
xorg-x11-libs-6.8.2-1.EL.33.0.2.x86_64.rpm
xorg-x11-Mesa-libGL-6.8.2-1.EL.33.0.2.i386.rpm
xorg-x11-Mesa-libGL-6.8.2-1.EL.33.0.2.x86_64.rpm
xorg-x11-Mesa-libGLU-6.8.2-1.EL.33.0.2.i386.rpm
xorg-x11-Mesa-libGLU-6.8.2-1.EL.33.0.2.x86_64.rpm
xorg-x11-sdk-6.8.2-1.EL.33.0.2.x86_64.rpm
xorg-x11-tools-6.8.2-1.EL.33.0.2.x86_64.rpm
xorg-x11-twm-6.8.2-1.EL.33.0.2.x86_64.rpm
xorg-x11-xauth-6.8.2-1.EL.33.0.2.x86_64.rpm
xorg-x11-xdm-6.8.2-1.EL.33.0.2.x86_64.rpm
xorg-x11-Xdmx-6.8.2-1.EL.33.0.2.x86_64.rpm
xorg-x11-xfs-6.8.2-1.EL.33.0.2.x86_64.rpm
xorg-x11-Xnest-6.8.2-1.EL.33.0.2.x86_64.rpm
xorg-x11-Xvfb-6.8.2-1.EL.33.0.2.x86_64.rpm

src:
xorg-x11-6.8.2-1.EL.33.0.2.src.rpm