A new patch release notification from VMware was received today, it's copied below.
We are pleased to inform you that new VMware ESX/ESXi Patches are available as of May 3, 2012.
These patches address several critical security issues. Detailed information regarding resolved and known issues and enhancements can be found in these Knowledge Base articles:
5.0 EP3 Patch Release Notes:
VMware ESX/ESXi Patches are available for download at http://www.vmware.com/patch/download/.
VMware vSphere Product Release Team