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.
6 days of security support left
3.4.8 latest release
99% 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 | 2y ago |
| Supported ends | 22 Oct 2026 | this month |
| Latest release | 3.4.8 · 29 Sept 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 | 210 | +204 days |
| OpenSSL 3.6 | 1 Nov 2026 | 16 | +10 days |
| OpenSSL 3.5 | 8 Apr 2030 | 1,270 | +1,264 days |
| OpenSSL 3.4 | 22 Oct 2026 | 6 | this branch |
Frequently asked questions
When does OpenSSL 3.4 reach end of life?
OpenSSL 3.4 reaches end of life on 22 Oct 2026 — 6 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: 3.4.8, published 29 Sept 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?
6 days. Moving to OpenSSL 4.0 instead buys roughly 204 more days of security support.