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Apache Zookeeper 3.9.4 updates close security gaps
published 6 months ago
Summary
The Apache Zookeeper software you are using contains several weaknesses that could let attackers interfere with its operation. These problems are fixed in the newer 3.9.4 releases (including the r0 and r6 builds). Upgrade your Zookeeper installation to the latest 3.9.4 version as soon as possible to protect your system.
What to do
- Update cleanstart apache-zookeeper to version 3.9.4-r6.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| CleanStart | cleanstart | apache-zookeeper |
< 3.9.4-r6 Fix: upgrade to 3.9.4-r6
|
Original advisory text
Security fixes for ghsa-72hv-8253-57qq, ghsa-qqpg-mvqg-649v applied in versions: 3.9.4-r0, 3.9.4-r6
Multiple security vulnerabilities affect the apache-zookeeper package. These issues are resolved in later releases. See references for individual vulnerability details.
Timeline
Published28 Apr 2026
Updated9 Sep 2026
First seen9 Sep 2026
Sources
CLEANSTART-2026-KL42544 · OSV
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