B.68. pixman

An updated pixman package is now available for Red Hat Enterprise Linux 6.
Pixman is a pixel manipulation library for the X Window System and cairo.
Bug Fix
BZ#644818
The pixman package has been updated to version 0.18, which provides new functionality that is required by SPICE, a remote display protocol used in Red Hat Enterprise Linux for viewing virtualized guests.
All users requiring SPICE are advised to upgrade to this updated package, which resolves this issue.