/compat/openssl/openssl-version-support
OpenSSL version support: LTS and end-of-life dates
The commands on this page have not been executed by our verification runner yet.updated 2026-10-20
- tool
- OpenSSL
- versions
- OpenSSL 1.0.2 – 4.0
- os
- any
As of October 2026 the OpenSSL project supports 4.0 (until 2027-05-14), 3.6 (until 2026-11-01), 3.5 LTS (until 2030-04-08) and 3.4 (until 2026-10-22). 3.0, 1.1.1 and 1.0.2 no longer receive public fixes; extended support for them is commercial only.
Support table
| Version | Type | Supported until |
|---|---|---|
| 4.0 | feature release | 2027-05-14 |
| 3.6 | feature release | 2026-11-01 |
| 3.5 | LTS | 2030-04-08 |
| 3.4 | feature release | 2026-10-22 |
| 3.0 | former LTS | no longer supported |
| 1.1.1 | former LTS | no longer supported |
| 1.0.2 | former LTS | no longer supported |
Release policy
- A new release every six months, in April and October.
- Since 3.5, an LTS every two years, supported for at least five years; the last year is security fixes only.
- Non-LTS releases after 3.5 are fully supported for 13 months.
- From 5.0 (October 2027) a major release comes every two years, six months after each LTS.
Check your version
openssl versionSources
Related pages
changes · opensslOpenSSL 3.x to 4.0: removed features and breaking changesOpenSSL 4.0 removes engines, SSLv3, the SSLv2 Client Hello and c_rehash, makes ASN1_STRING opaque, adds const to many APIs, and changes hex dump output format.cheat sheets · opensslOpenSSL cheat sheet: keys, CSRs, certificates and TLS checksOpenSSL cheat sheet: generate keys and CSRs, inspect certificates, check that key and certificate match, convert PEM, DER and PFX, verify chains and test TLS.glossary · opensslWhat is a certificate chain (chain of trust)?A certificate chain links a server leaf certificate through intermediate CAs to a trusted root. Clients verify each signature up to a root in their trust store.