Update Adobe Flash Player to the latest version
References:
Linux Toolkits Blog is a scratch-pad of tips and findings on Linux
# wget http://ardownload.adobe.com/pub/adobe/reader/unix/9.x/9.5.5/enu/AdbeRdr9.5.5-1_i486linux_enu.rpm
# yum install nspluginwrapper.i686 libcanberra-gtk2.i686 gtk2-engines.i686 PackageKit-gtk-module.i686
# yum localinstall AdbeRdr9.5.5-1_i486linux_enu.rpm
# acroread