All F5 Networks products run a base operating system and F5 Networks responds to all reported vulnerabilities for that base operating system.
Important: F5 Networks has modified these base operating systems. Therefore, you must install only the patches that F5 Networks supplies.
The base operating systems for F5 Networks products are as follows:
| F5 Networks Product | Base Operating System | Reference |
| BIG-IP TMOS products versions 9.0 - 9.1.x | RedHat Linux | SOL3645 |
| BIG-IP TMOS products versions 9.2 - 9.6.x | CentOS Linux | SOL3645 |
| BIG-IP TMOS products versions 10.x | CentOS Linux | SOL3645 |
| BIG-IP / 3DNS versions 4.5 - 4.6.4 | BSDI OS | SOL739 |
| FirePass versions 3.1 - 6.1.0 | Slackware Linux | SOL2253 |
| WANJet versions 4.0 - 4.2.16 | Fedora | SOL7523 |
| WANJet versions 5.0 - 5.0.2 | CentOS Linux | SOL7523 |
| WebAccelerator versions 5.1.5 - 5.3.1 | Fedora | SOL7524 |
| Enterprise Manager versions 1.0 - 1.8 | CentOS Linux | SOL7545 |
| ARX versions 2.7.0 - 5.1.0 | Debian Linux | SOL8671 |
