DEEN

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 216 days. The current version of F5 BIG-IP is 21.1.0. The cycles come from the open endoflife.date project, last reconciled on 26/08/2026.

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.

CycleLatest versionEnd of supportStatus
21.1LTS21.1.0982 days leftEOL 5 May 29
21.021.0.021 days agoEnd of Life
17.5LTS17.5.1858 days leftEOL 1 Jan 29
17.1LTS17.1.3216 days leftEOL 31 Mar 27
17.017.0.01123 days agoEnd of Life
16.1LTS16.1.6392 days agoEnd of Life
16.016.0.1.11785 days agoEnd of Life
15.1LTS15.1.10604 days agoEnd of Life
15.015.0.12195 days agoEnd of Life
14.114.1.5970 days agoEnd of Life
14.014.0.12483 days agoEnd of Life
13.113.1.5970 days agoEnd 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 26/08/2026. In case of doubt the vendor's own lifecycle page applies — patchletter deliberately stores no vendor full texts.

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