CVE-2019-9658

Checkstyle before 8.18 loads external DTDs by default.

Published: 2019-03-11 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-9658 is rated Moderate Risk (52.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.68%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-9658

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-04 2.90% 3.68% +0.78%
2 2026-03-01 3.74% 2.90% -0.84%
3 2026-02-04 — 3.74% —

Full EPSS history (48 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-9658

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 1.4 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2019-9658

GitHub Security Advisory for CVE-2019-9658

GHSA-gp32-7h29-rpxm · Severity: medium · Ecosystem: maven — Moderate severity vulnerability that affects com.puppycrawl.tools:checkstyle

OS Trackers for CVE-2019-9658

vendor priority summary link
debian low CVE-2019-9658 low priority: Debian including 1 source packages (checkstyle), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2019-9658
ubuntu medium CVE-2019-9658 medium priority: Ubuntu including 1 source packages (checkstyle), 19 status rows across 19 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 12, ignored 3, needs-triage 3, DNE 1. https://ubuntu.com/security/CVE-2019-9658

Affected software / configurations for CVE-2019-9658

Vendor Product Version Raw CPE
checkstyle checkstyle < 8.18 cpe:2.3:a:checkstyle:checkstyle:*:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
fedoraproject fedora 28 cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
fedoraproject fedora 29 cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*

References for CVE-2019-9658

URL Tags
https://checkstyle.org/releasenotes.html#Release_8.18 Release Notes Vendor Advisory
https://github.com/checkstyle/checkstyle/issues/6474 Third Party Advisory
https://github.com/checkstyle/checkstyle/issues/6478 Third Party Advisory
https://github.com/checkstyle/checkstyle/pull/6476 Third Party Advisory
https://lists.apache.org/thread.html/6bf8bbbca826e883f09ba40bc0d319350e1d6d4cf4df7c9e399b2699%40%3Ccommits.fluo.apache.org%3E
https://lists.apache.org/thread.html/7eea10e7be4c21060cb1e79f6524c6e6559ba833b1465cd2870a56b9%40%3Cserver-dev.james.apache.org%3E
https://lists.apache.org/thread.html/994221405e940e148adcfd9cb24ffc6700bed70c7820c55a22559d26%40%3Cnotifications.fluo.apache.org%3E
https://lists.apache.org/thread.html/a35a8ccb316d4c2340710f610cba8058e87d5376259b35ef3ed2bf89%40%3Cnotifications.accumulo.apache.org%3E
https://lists.apache.org/thread.html/fff26ee7b59360a0264fef4e8ed9454ef652db2c39f2892a9ea1c9cb%40%3Cnotifications.fluo.apache.org%3E
https://lists.apache.org/thread.html/rda99599896c3667f2cc9e9d34c7b6ef5d2bbed1f4801e1d75a2b0679%40%3Ccommits.nifi.apache.org%3E
https://lists.debian.org/debian-lts-announce/2019/04/msg00029.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2BMOPJ2XYE4LB2HM7OMSUBBIYEDUTLWE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEYBAHYAV37WHMOXZYM2ZWF46FHON6YC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJPT54USMGWT3Y6XVXLDEHKRUY2EI4OE/
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