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Apache ZooKeeper: Critical Security Updates Available
published 7 months ago
Summary
Apache ZooKeeper users should update to the latest version (3.9.4-r6) to fix critical security issues that could allow attackers to gain unauthorized access or cause system crashes. This is a high-priority update to ensure the security and reliability of 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
Published6 Apr 2026
Updated6 Apr 2026
First seen6 Apr 2026
Sources
CLEANSTART-2026-OB18608 · OSV
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