OpenSSL 3.4 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
OpenSSL 3.4 is actively supported. It reaches end of life on 22 Oct 2026.
74 days of security support left
3.4.6 latest release
90% of this branch's supported lifetime has elapsed — 22 Oct 2024 → 22 Oct 2026.
Check your versionopenssl version
Support timeline
Official dates from the OpenSSL release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 22 Oct 2024 | — |
| End of life (scheduled) | 22 Oct 2026 | in 74 days |
| Latest release | 3.4.6 · 9 Jun 2026 | current |
How much runway a newer branch buys
Moving to OpenSSL 4.0 extends security support by about 204 days.
| Branch | End of life | Days left | vs 3.4 |
|---|---|---|---|
| OpenSSL 4.0 | 14 May 2027 | 278 | +204 days |
| OpenSSL 3.6 | 1 Nov 2026 | 84 | +10 days |
| OpenSSL 3.5 | 8 Apr 2030 | 1,338 | +1,264 days |
| OpenSSL 3.4 | 22 Oct 2026 | 74 | this branch |
| OpenSSL 3.0 | 7 Sept 2026 | 29 | -45 days |
Frequently asked questions
When does OpenSSL 3.4 reach end of life?
OpenSSL 3.4 reaches end of life on 22 Oct 2026 — 74 days from now. After that date it receives no security fixes.
Is OpenSSL 3.4 still supported?
Yes. OpenSSL 3.4 is currently maintained. Latest release: 3.4.6, published 9 Jun 2026.
What happens when OpenSSL 3.4 reaches end of life?
Security fixes stop. After 22 Oct 2026 this branch receives no further updates under standard support.
How long do I have to upgrade from OpenSSL 3.4?
74 days. Moving to OpenSSL 4.0 instead buys roughly 204 more days of security support.