| Package | Affected versions | Patched versions |
|---|---|---|
| com.puppycrawl.tools:checkstyle | < 8.18 | 8.18 |
| checkstyle | < 8.18 | 8.18 |
Checkstyle prior to 8.18 loads external DTDs by default, which can potentially lead to denial of service attacks or the leaking of confidential information.
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