Checkstyle before 8.18 loads external DTDs by default.
Priority LOW 30CWE-611Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-611 and the CVSS impact.
Summary
Checkstyle before 8.18 loads external DTDs by default.
Why it matters now
EPSS 0.03577 89th percentileScored 2026-11-07
Fix Fixed com.puppycrawl.tools:checkstyle (Maven): 8.18
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | com.puppycrawl.tools:checkstyle (Maven) | before 8.18 | 8.18 | Patch available | GHSA-gp32-7h29-rpxm |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- com.puppycrawl.tools:checkstyle (Maven) Vendor— Affected before 8.18 Fixed in 8.18 Patch available GHSA-gp32-7h29-rpxm
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:checkstyle:checkstyle:*:*:*:*:*:*:*:* | before 8.18 | Vulnerable | Checkstyle |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* | 28 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* | 29 | Vulnerable | Fedoraproject |
- cpe:2.3:a:checkstyle:checkstyle:*:*:*:*:*:*:*:* Versions before 8.18 Vulnerable ·Checkstyle
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* Versions 28 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* Versions 29 Vulnerable ·Fedoraproject
Remediation
- Fix · GHSA-gp32-7h29-rpxm com.puppycrawl.tools:checkstyle (Maven) Fixed in 8.18 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2019-9658
- 2026-10-03 Alias added: GHSA-gp32-7h29-rpxm
References
Advisory 10
- https://github.com/checkstyle/checkstyle/pull/6476
- https://github.com/checkstyle/checkstyle/issues/6474
- https://github.com/checkstyle/checkstyle/issues/6478
- https://checkstyle.org/releasenotes.html#Release_8.18
- FEDORA-2019-a3f67e2364
- FEDORA-2019-e4405b4c9f
- [debian-lts-announce] 20190428 [SECURITY] [DLA 1768-1] checkstyle security update
- FEDORA-2019-4696630d6f
- https://nvd.nist.gov/vuln/detail/CVE-2019-9658
- https://github.com/advisories/GHSA-gp32-7h29-rpxm
Other 16
- [james-server-dev] 20190318 [james-project] 01/03: JAMES-2693 Update com.puppycrawl.tools:checkstyle to respond to CVE-2019-9658
- [accumulo-notifications] 20190612 [GitHub] [accumulo-testing] milleruntime opened a new pull request #80: Update checkstyle
- [fluo-notifications] 20190814 [GitHub] [fluo] ctubbsii merged pull request #1073: Update checkstyle (CVE-2019-9658)
- [fluo-commits] 20190814 [fluo] branch fluo-parent updated: Update checkstyle (CVE-2019-9658) (#1073)
- [fluo-notifications] 20190815 Build failed in Jenkins: Fluo Parent Pom #101
- [nifi-commits] 20200930 svn commit: r1882168 - /nifi/site/trunk/security.html
- https://lists.fedoraproject.org/archives/list/[email protected]/message/VJPT54USMGWT3Y6XVXLDEHKRUY2EI4OE
- https://lists.fedoraproject.org/archives/list/[email protected]/message/AEYBAHYAV37WHMOXZYM2ZWF46FHON6YC
- https://lists.fedoraproject.org/archives/list/[email protected]/message/2BMOPJ2XYE4LB2HM7OMSUBBIYEDUTLWE
- https://lists.apache.org/thread.html/rda99599896c3667f2cc9e9d34c7b6ef5d2bbed1f4801e1d75a2b0679@%3Ccommits.nifi.apache.org%3E
- https://lists.apache.org/thread.html/fff26ee7b59360a0264fef4e8ed9454ef652db2c39f2892a9ea1c9cb@%3Cnotifications.fluo.apache.org%3E
- https://lists.apache.org/thread.html/a35a8ccb316d4c2340710f610cba8058e87d5376259b35ef3ed2bf89@%3Cnotifications.accumulo.apache.org%3E
- https://lists.apache.org/thread.html/994221405e940e148adcfd9cb24ffc6700bed70c7820c55a22559d26@%3Cnotifications.fluo.apache.org%3E
- https://lists.apache.org/thread.html/7eea10e7be4c21060cb1e79f6524c6e6559ba833b1465cd2870a56b9@%3Cserver-dev.james.apache.org%3E
- https://lists.apache.org/thread.html/6bf8bbbca826e883f09ba40bc0d319350e1d6d4cf4df7c9e399b2699@%3Ccommits.fluo.apache.org%3E
- https://github.com/checkstyle/checkstyle
Sources
- CVE-2019-9658 · CVE Program
- CVE-2019-9658 · NVD
- FIRST EPSS
- GHSA-gp32-7h29-rpxm · GitHub Advisory Database · CC BY 4.0
- CVE-2019-9658 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences