Description
All versions of com.puppycrawl.tools:checkstyle before 8.29 are vulnerable to XML External Entity (XXE) Injection due to an incomplete fix for CVE-2019-9658.
Remediation
References
https://lists.apache.org/thread.html/r8aaf4ee16bbaf6204731d4770d96ebb34b258cd79b491f9cdd7f2540%40%3Ccommits.nifi.apache.org%3E
https://lists.debian.org/debian-lts-announce/2020/02/msg00008.html
https://snyk.io/vuln/SNYK-JAVA-COMPUPPYCRAWLTOOLS-543266
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