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Remediation
Upgrade com.puppycrawl.tools:checkstyle to version 8.29 or later. For example:
<dependency> <groupId>com.puppycrawl.tools</groupId> <artifactId>checkstyle</artifactId> <version>[8.29,)</version> </dependency>
Always verify the validity and compatibility of suggestions with your codebase.
GHSA-763g-fqq7-48wg
moderate severity
*Vulnerable versions:* < 8.29
*Patched version:* 8.29
Due to an incomplete fix for CVE-2019-9658, checkstyle was still vulnerable to XML External Entity (XXE) Processing.