Martijn Visser created FLINK-23542:
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Summary: 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
Checkstyle version < 8.29 are still vulnerable to XML External Entity (XXE)
Processing due to an incomplete fix for CVE-2019-9658.
This vulnerability probably doesn't impact Flink 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.
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