Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2019-9658

16
FAUCET Score

CVE-2019-9658 describes a vulnerability in Checkstyle versions prior to 8.18, where the software insecurely loads external DTDs by default, affecting various Checkstyle distributions across Debian and Fedora. This medium-severity vulnerability (CVSS 5.3) allows for an XML External Entity (XXE) injection, potentially leading to information disclosure (CWE-611) with low impact on confidentiality. There is no evidence of active exploitation, public exploit code, or significant community discussion, indicating a low current threat level.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.18CPE matchmatch criteria
cpe:2.3:a:checkstyle:checkstyle:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
28CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
29CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.68%
Probability of exploitation in next 30 days
EPSS Percentile
88.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0368 is in the 85th percentile among its peer group of 23,701 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: com.puppycrawl.tools:checkstyleFixed in: 8.18

Vendor Advisories (1)

mavenGHSA-gp32-7h29-rpxmmedium

Moderate severity vulnerability that affects com.puppycrawl.tools:checkstyle

Mar 14, 2019

References

checkstyle.org / releasenotes.html
Release NotesVendor Advisory
github.com / checkstyle/checkstyle/issues/6474
Third Party Advisory
github.com / checkstyle/checkstyle/issues/6478
Third Party Advisory
github.com / checkstyle/checkstyle/pull/6476
Third Party Advisory
lists.apache.org / thread.html/6bf8bbbca826e883f09ba40bc0d319350e1d6d4cf4df7c9e399b2699%40%3Ccommits.fluo.apache.org%3E
lists.apache.org / thread.html/7eea10e7be4c21060cb1e79f6524c6e6559ba833b1465cd2870a56b9%40%3Cserver-dev.james.apache.org%3E
lists.apache.org / thread.html/994221405e940e148adcfd9cb24ffc6700bed70c7820c55a22559d26%40%3Cnotifications.fluo.apache.org%3E
lists.apache.org / thread.html/a35a8ccb316d4c2340710f610cba8058e87d5376259b35ef3ed2bf89%40%3Cnotifications.accumulo.apache.org%3E
lists.apache.org / thread.html/fff26ee7b59360a0264fef4e8ed9454ef652db2c39f2892a9ea1c9cb%40%3Cnotifications.fluo.apache.org%3E
lists.apache.org / thread.html/rda99599896c3667f2cc9e9d34c7b6ef5d2bbed1f4801e1d75a2b0679%40%3Ccommits.nifi.apache.org%3E
lists.debian.org / debian-lts-announce/2019/04/msg00029.html
Third Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/2BMOPJ2XYE4LB2HM7OMSUBBIYEDUTLWE
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/AEYBAHYAV37WHMOXZYM2ZWF46FHON6YC
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/VJPT54USMGWT3Y6XVXLDEHKRUY2EI4OE