OpenLDAP 2.4 · Version Status
OpenLDAP 2.4 End of Life Date
OpenLDAP 2.4 end-of-life date, support status, and CVE risk. Dates read at the vendor's own lifecycle pages (openldap.org); the source of each date is on the product page.
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OpenLDAP 2.4 is past end of life. This version no longer receives security patches. 1818 days past EOL — migrate to a supported version immediately.
EOL Date
Oct 25, 2021
1818 days past EOL
Latest Release
2.4.59
Standard release
Release Date
Oct 31, 2007
OpenLDAP 2.4 series
Lifecycle detail
OpenLDAP 2.4 was released on October 31, 2007 and support ended on October 25, 2021 — a supported lifespan of 14 years. It was not an LTS release; OpenLDAP reserves longer patch windows for its LTS versions. The last patch it will ever receive is 2.4.59, published June 3, 2021 — 5 months before support ended. It has been without security patches for 5 years. 1 newer OpenLDAP release has shipped since.
Attack Surface
10/30 Medium tier
CISA KEV Exposure
0/20 Not in KEV
Extended Support
0/10 Available
EOL Risk Score™ — proprietary methodology by endoflife.ai. Factors: EOL recency, attack surface breadth, CISA KEV catalog presence, extended support availability. Updated at every build.
Methodology → ·
View score card →
Extended Support
Extended OpenLDAP 2.4 support is available
Commercial vendors offer security patches beyond EOL. Compare your options.
Compare Options →
| Version | Latest | EOL Date | Status |
|---|
| → 2.4 |
2.4.59 |
Oct 25, 2021 |
EOL |
| 2.5 |
2.5.20 |
Jan 15, 2027 |
Warning |
| 2.6 LTS |
2.6.15 |
EOL |
Active |
| 2.7 |
2.7.1 |
EOL |
Active |
What does OpenLDAP 2.4 end of life mean?
When OpenLDAP 2.4 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: A CVE-based scan does not show the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Some scanners flag unsupported versions of common products, but coverage varies, and none of them give you the date in advance. Running OpenLDAP 2.4 past its EOL date creates a growing attack surface that a clean scan result does not rule out.
Migrate to OpenLDAP 2.7 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does OpenLDAP 2.4 reach end of life?
OpenLDAP 2.4 reached end of life on October 25, 2021. This version is no longer receiving security patches.
Is OpenLDAP 2.4 still supported?
No. OpenLDAP 2.4 reached end of life on October 25, 2021 and is no longer receiving security patches.
What should I upgrade to from OpenLDAP 2.4?
The recommended upgrade from OpenLDAP 2.4 is
OpenLDAP 2.7 — the latest actively supported version. Check the
OpenLDAP full timeline for all supported versions.
What are the security risks of running OpenLDAP 2.4 past EOL?
When OpenLDAP 2.4 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no vendor fix. A CVE-based scan does not show this — it is the CVE blind spot; some scanners flag unsupported versions of common products, but coverage varies and none give the date in advance. Organizations running EOL OpenLDAP should migrate immediately or implement compensating controls.