Skip to content
Fencer Vulns
high 7.5

CVE-2023-2798 json

Denial of service in HtmlUnit

published 2023-05-25 3 y ago modified 2026-06-17 4 mo ago also GHSA-rc44-5cmh-879m , EUVD-2023-1621

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

Those using HtmlUnit to browse untrusted webpages may be vulnerable to Denial of service attacks (DoS). If HtmlUnit is running on user supplied web pages, an attacker may supply content that causes HtmlUnit to crash by a stack overflow. This effect may support a denial of service attack.This issue affects htmlunit before 2.70.0.

Patch / fix

  • maven org.htmlunit:htmlunit 2.70.0
  • htmlunit htmlunit 2.70.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-2798 updated cvss 7.5

htmlUnit: Stack overflow crash causes Denial of Service (DoS)

  • Red Hat Migration Toolkit for Applications 6 org.jboss.windup-windup-parent
    affected: no fix available
  • Red Hat Decision Manager 7 htmlUnit htmlUnit Red Hat Fuse 7 htmlUnit htmlUnit Red Hat JBoss Data Grid 7 htmlUnit htmlUnit Red Hat JBoss Enterprise Application Platform 6 htmlUnit htmlUnit Red Hat JBoss Fuse 6 htmlUnit htmlUnit Red Hat JBoss Fuse Service Works 6 htmlunit htmlunit, htmlUnit htmlUnit
    +1 more products
    Red Hat Process Automation 7 htmlUnit htmlUnit
    affected: no fix planned “Out of support scope”
  • Red Hat Migration Toolkit for Runtimes 1 on RHEL 8
    fixed: vendor fix RHSA-2023:3814
  • Red Hat MTA 6.2 for RHEL 8 mta/mta-operator-bundle 6.2.0-29
    fixed: vendor fix RHSA-2023:4627
  • Red Hat Migration Toolkit for Runtimes org.jboss.windup-windup-parent Red Hat MTA 6.2 for RHEL 8 mta/mta-ui-rhel9 6.2.0-17, mta/mta-hub-rhel9 6.2.0-16, mta/mta-rhel8-operator 6.2.0-12, mta/mta-pathfinder-rhel9 6.2.0-5, mta/mta-windup-addon-rhel9 6.2.0-11 Red Hat Data Grid 8 htmlUnit htmlUnit Red Hat Integration Camel K 1 htmlUnit htmlUnit Red Hat Integration Camel Quarkus 2 htmlUnit htmlUnit Red Hat JBoss Enterprise Application Platform 7 htmlUnit htmlUnit
    +5 more products
    Red Hat JBoss Enterprise Application Platform 8 htmlUnit htmlUnit Red Hat JBoss Enterprise Application Platform Expansion Pack htmlUnit htmlUnit Red Hat OpenShift Application Runtimes htmlUnit htmlUnit Red Hat Single Sign-On 7 htmlUnit htmlUnit Red Hat streams for Apache Kafka htmlUnit htmlUnit
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.91% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
maven org.htmlunit:htmlunit
<2.70.0
2.70.0

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
  • CWE-787 Out-of-bounds Write

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.