F5 BIG-IP end of life: end of support by version
F5 · Firewalls & Security
For F5 BIG-IP by F5, patchletter knows 12 support cycles. 9 of them have already ended and receive no more security updates. The next support window closes on 31/03/2027, that is in 172 days. The current version of F5 BIG-IP is 21.1.0. The cycles come from the open endoflife.date project, last reconciled on 30/09/2026.
When does support end for which F5 BIG-IP version?
A cycle is a maintained version line. Where a date is given, support ends on that day — after it the vendor ships no more security updates for that line.
| Cycle | Latest version | End of support | Status |
|---|---|---|---|
| 21.1LTS | 21.1.0 | 938 days left | EOL 5 May 29 |
| 21.0 | 21.0.0 | 65 days ago | End of Life |
| 17.5LTS | 17.5.1 | 814 days left | EOL 1 Jan 29 |
| 17.1LTS | 17.1.3 | 172 days left | EOL 31 Mar 27 |
| 17.0 | 17.0.0 | 1167 days ago | End of Life |
| 16.1LTS | 16.1.6 | 436 days ago | End of Life |
| 16.0 | 16.0.1.1 | 1829 days ago | End of Life |
| 15.1LTS | 15.1.10 | 648 days ago | End of Life |
| 15.0 | 15.0.1 | 2239 days ago | End of Life |
| 14.1 | 14.1.5 | 1014 days ago | End of Life |
| 14.0 | 14.0.1 | 2527 days ago | End of Life |
| 13.1 | 13.1.5 | 1014 days ago | End of Life |
Which F5 BIG-IP versions no longer receive security updates?
9 of 12 cycles have ended. If you run one of those lines, the vendor ships you no more patches — not even for critical flaws.
- F5 BIG-IP 21.021.0.0
- F5 BIG-IP 17.017.0.0
- F5 BIG-IP 16.116.1.6
- F5 BIG-IP 16.016.0.1.1
- F5 BIG-IP 15.115.1.10
- F5 BIG-IP 15.015.0.1
- F5 BIG-IP 14.114.1.5
- F5 BIG-IP 14.014.0.1
- F5 BIG-IP 13.113.1.5
Where does the EOL data for F5 BIG-IP come from?
From the open endoflife.date project, which collects vendors' official support commitments. patchletter reconciles the cycles daily; the F5 BIG-IP data is as of 30/09/2026. In case of doubt the vendor's own lifecycle page applies — patchletter deliberately stores no vendor full texts.
New F5 BIG-IP versions by email
Tick the product and patchletter reports new releases by email. The update email costs nothing, and one click stops it again. The warning 90, 30 and 7 days before support ends is part of patchletter Pro.