Zookeeper 3.4 · Version Status
Zookeeper 3.4 End of Life Date
Zookeeper 3.4 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Zookeeper 3.4 is past end of life. This version no longer receives security patches. 2168 days past EOL — migrate to a supported version immediately.
EOL Date
Jun 1, 2020
2168 days past EOL
Latest Release
3.4.14
Standard release
Release Date
Nov 23, 2011
Zookeeper 3.4 series
| Version | Latest | EOL Date | Status |
|---|
| → 3.4 |
3.4.14 |
Jun 1, 2020 |
EOL |
| 3.5 |
3.5.10 |
Jun 1, 2022 |
EOL |
| 3.6 |
3.6.4 |
Dec 30, 2022 |
EOL |
| 3.7 |
3.7.2 |
Jan 19, 2024 |
EOL |
| 3.8 |
3.8.6 |
EOL |
Active |
| 3.9 |
3.9.5 |
EOL |
Active |
What does Zookeeper 3.4 end of life mean?
When Zookeeper 3.4 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: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Zookeeper 3.4 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Zookeeper 3.9 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Zookeeper 3.4 reach end of life?
Zookeeper 3.4 reached end of life on June 1, 2020. This version is no longer receiving security patches.
Is Zookeeper 3.4 still supported?
No. Zookeeper 3.4 reached end of life on June 1, 2020 and is no longer receiving security patches.
What should I upgrade to from Zookeeper 3.4?
The recommended upgrade from Zookeeper 3.4 is
Zookeeper 3.9 — the latest actively supported version. Check the
Zookeeper full timeline for all supported versions.
What are the security risks of running Zookeeper 3.4 past EOL?
When Zookeeper 3.4 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Zookeeper should migrate immediately or implement compensating controls.