The following patches have been released by VMware on 27 May 2010 for VMware ESX 4 and ESXi 4. Out of the 14 patches released, 1 is rated critical:

ID: ESX400-201005401-SG  Impact: HostSecurity  Release date: 2010-05-27  Products: esx 4.0.0 Updates vmkernel64, scripts, tools etc

ID: ESX400-201005402-SG  Impact: HostSecurity  Release date: 2010-05-27  Products: esx 4.0.0 Updates VMware-webCenter-esx

ID: ESX400-201005403-SG  Impact: HostSecurity  Release date: 2010-05-27  Products: esx 4.0.0 Updates Expat

ID: ESX400-201005404-SG  Impact: HostSecurity  Release date: 2010-05-27  Products: esx 4.0.0 Updates NTP

ID: ESX400-201005405-SG  Impact: HostSecurity  Release date: 2010-05-27  Products: esx 4.0.0 Updates gzip

ID: ESX400-201005406-SG  Impact: HostSecurity  Release date: 2010-05-27  Products: esx 4.0.0 Updates krb5 and pam_krb5

ID: ESX400-201005407-SG  Impact: HostSecurity  Release date: 2010-05-27  Products: esx 4.0.0 Updates gcc packages

ID: ESX400-201005408-SG  Impact: HostSecurity  Release date: 2010-05-27  Products: esx 4.0.0 Updates bind-libs and bind-utils

ID: ESX400-201005409-SG  Impact: HostSecurity  Release date: 2010-05-27  Products: esx 4.0.0 Updates sudo

ID: ESXi400-201005401-SG  Impact: HostSecurity  Release date: 2010-05-27  Products: embeddedEsx 4.0.0 Updates Firmware

ID: ESXi400-201005402-BG  Impact: Critical  Release date: 2010-05-27  Products: embeddedEsx 4.0.0 Updates VMware Tools

ID: VEM400-201005001-BG  Impact: HostGeneral  Release date: 2010-05-27  Products: embeddedEsx 4.0.0, esx 4.0.0 Cisco Nexus 1000V VEM

ID: VEM400-201005011-BG  Impact: HostGeneral  Release date: 2010-05-27  Products: embeddedEsx 4.0.0, esx 4.0.0 Cisco Nexus 1000V VEM

ID: VEM400-201005021-BG  Impact: HostGeneral  Release date: 2010-05-27  Products: embeddedEsx 4.0.0, esx 4.0.0 Cisco Nexus 1000V VEM