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https://issues.apache.org/jira/browse/ZOOKEEPER-4423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17457691#comment-17457691
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Russell Howe commented on ZOOKEEPER-4423:
-----------------------------------------
log4j 1.x has been EOL since 2015: [https://logging.apache.org/log4j/1.2/]
It is no longer receiving security fixes.
> Upgrade Log4j to 2.15.0 - CVE-2021-44228
> ----------------------------------------
>
> Key: ZOOKEEPER-4423
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4423
> Project: ZooKeeper
> Issue Type: Task
> Affects Versions: 3.6.0, 3.6.3, 3.7.0, 3.6.1, 3.6.2, 3.6.4
> Reporter: Sai Kiran Vudutala
> Priority: Major
>
> Log4j has an RCE vulnerability, see
> [https://www.lunasec.io/docs/blog/log4j-zero-day/]
> References.
> [https://github.com/advisories/GHSA-jfh8-c2jp-5v3q]
> [https://github.com/apache/logging-log4j2/pull/608#issuecomment-990494126]
>
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