Updated VNC packages has been released for CentOS-3 x86_64
New VNC packages are available for CentOS-3 x86_64. Refer to https://rhn.redhat.com/errata/RHBA-2004-461.html.
RPMS/vnc-4.0-0.beta4.1.4.x86_64.rpm
RPMS/vnc-server-4.0-0.beta4.1.4.x86_64.rpm
SRPMS/vnc-4.0-0.beta4.1.4.src.rpm
Execute "yum update vnc" to apply.