Zookeeper 3.x — End of Life
ActiveZookeeper 3.x is partially supported: only 3.9, 3.8 still receive security fixes. The most recent release in this series is 3.9.6. No CVE is currently tracked for Zookeeper 3.x.
Zookeeper 3.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status | Alert me |
|---|---|---|---|---|---|---|
| 3.9 | Jul 19, 2023 | — | No | 3.9.6 | Active | |
| 3.8 | Feb 25, 2022 | — | No | 3.8.7 | Active | |
| 3.7 | Mar 17, 2021 | Jul 19, 2023 | Jan 19, 2024 | 3.7.2 | EOL | |
| 3.6 | Feb 25, 2020 | Mar 7, 2022 | Dec 30, 2022 | 3.6.4 | EOL | |
| 3.5 | May 3, 2019 | Mar 27, 2021 | Jun 1, 2022 | 3.5.10 | EOL | |
| 3.4 | Nov 23, 2011 | Mar 27, 2020 | Jun 1, 2020 | 3.4.14 | EOL |
CVEs affecting Zookeeper 3.x (0)
Add a Zookeeper 3 EOL badge to your README
Show your users which Zookeeper version your project runs and whether it is still supported. The badge updates automatically. More formats and options →
[](https://eolcanary.com/explore/zookeeper/3)Frequently asked questions
Is Zookeeper 3 end of life?
Partially. 4 of the 6 Zookeeper 3.x releases have reached end of life. Still supported: 3.9, 3.8.
What CVEs affect Zookeeper 3?
No CVEs are currently tracked for Zookeeper 3.x in the NVD data we monitor.
What is the latest Zookeeper 3 version?
The latest Zookeeper 3.x patch release is 3.9.6, released on September 14, 2026. Always run the latest patch to benefit from all security fixes.
When was Zookeeper 3 first released?
Zookeeper 3.4 was released on November 23, 2011. See the full version timeline in the table above.
Is it safe to run Zookeeper 3 in production?
Only on a supported release (3.9, 3.8). Make sure you run the latest patch (3.9.6) to have all security fixes applied.
Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA