Amazon EMR 7.4.0 - ZooKeeper release notes - Amazon EMR
Amazon EMR 7.4.0 - ZooKeeper Features
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Amazon EMR 7.4.0 - ZooKeeper release notes

Type Description

Upgrade

Zookeeper version is upgraded to 3.9.2.

Improvement

ZOOKEEPER-4778: Patch jetty, netty, and logback to remove high severity vulnerabilities.

Improvement

ZOOKEEPER-4799: Fixes CVE-2024-23944.

Bug Fix

ZOOKEEPER-4415: TLSv1.3 support is added.

Amazon EMR 7.4.0 - ZooKeeper Features

  • Clusters with in-transit encryption security configuration provided will have TLS enabled by default for Quorum communication and Zookeeper Admin Server. Additionally, TLS secure port is exposed at 2281 for client communication with Zookeeper.