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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | com.puppycrawl.tools:checkstyle | all versions before 8.29 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | checkstyle | 8.29-1 | — |
| Debian 13 | checkstyle | 8.29-1 | — |
| Debian 12 | checkstyle | 8.29-1 | — |
| Debian 8 | checkstyle | 5.9-1+deb8u2 | DLA-2099-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | checkstyle | No fix yet | — |
| Ubuntu 16.04 LTS | checkstyle | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | com.puppycrawl.tools:checkstyle | < 8.29 | 8.29 | GHSA-763g-fqq7-48wg |
Advisories 1
- DLA-2099-1 checkstyle - security update Debian Security (DSA / DLA) · Mar 9, 2026