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https://issues.apache.org/jira/browse/FLINK-25472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17477752#comment-17477752
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Chesnay Schepler commented on FLINK-25472:
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We only support the last _2_ releases.
https://flink.apache.org/downloads.html#update-policy-for-old-releases
> Update to Log4j 2.17.1
> ----------------------
>
> Key: FLINK-25472
> URL: https://issues.apache.org/jira/browse/FLINK-25472
> Project: Flink
> Issue Type: Technical Debt
> Components: API / Core
> Affects Versions: 1.15.0, 1.12.8, 1.13.6, 1.14.3
> Reporter: Martijn Visser
> Assignee: Martijn Visser
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.15.0, 1.12.8, 1.13.6, 1.14.3
>
>
> We should update from Log4j 2.17.0 to 2.17.1 to address CVE-2021-44832:
> Apache Log4j2 vulnerable to RCE via JDBC Appender when attacker controls
> configuration.
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