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https://issues.apache.org/jira/browse/FLINK-23542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17825712#comment-17825712
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Ryan Skraba commented on FLINK-23542:
-------------------------------------
This has become slightly more important : the last version of the
CheckStyle-IDEA plugin we use in IntelliJ dropped support for 8.x in March 2024
[https://github.com/jshiell/checkstyle-idea/releases/tag/5.88.0]
New Flink developers or existing developers keeping their IDE and plugins up to
date won't be able to use the existing checkstyle configuration.
> Upgrade Checkstyle to at least 8.29
> -----------------------------------
>
> Key: FLINK-23542
> URL: https://issues.apache.org/jira/browse/FLINK-23542
> Project: Flink
> Issue Type: Technical Debt
> Components: Build System
> Reporter: Martijn Visser
> Priority: Not a Priority
> Labels: auto-deprioritized-minor, pull-request-available
>
> Checkstyle version < 8.29 are still vulnerable to XML External Entity (XXE)
> Processing due to an incomplete fix for CVE-2019-9658.
> {noformat}
> Impact
> User: Build Maintainers
> This vulnerability probably doesn't impact Maven/Gradle users as, in most
> cases, these builds are processing files that are trusted, or pre-vetted by a
> pull request reviewer before being run on internal CI infrastructure.
> {noformat}
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