How to patch Linux redhat Red Hat 4.1.2-48 without Internet?

HI all,

I need to patch(updated a linux redhat server (Red Hat 4.1.2-48) that it is on production, this server cannot have internet access.

How can I do this patching (update). there is link to download in a cd or something similar.

Any advice it is very welcome

Carlitospi99