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CVE-2023-2798

23
FAUCET Score

CVE-2023-2798 is a Denial of Service (DoS) vulnerability affecting HtmlUnit versions prior to 2.70.0. An attacker can exploit this by providing specially crafted untrusted webpages, causing HtmlUnit to crash due to a stack overflow. This vulnerability has a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity and a high impact on availability. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.70.0CPE matchmatch criteria
cpe:2.3:a:htmlunit:htmlunit:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.91%
Probability of exploitation in next 30 days
EPSS Percentile
56.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0091 is in the 31st percentile among its peer group of 51,553 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.htmlunit:htmlunitFixed in: 2.70.0
redhatpatch availablevia redhat_api
Product: Migration Toolkit for Runtimes 1 on RHEL 8Fixed in: com.google.guava-guava-parent
View patch
redhatpatch availablevia redhat_api
Product: MTA-6.2-RHEL-9Fixed in: mta/mta-operator-bundle:6.2.0-29
View patch
redhatno patchvia redhat_api
Product: Migration Toolkit for Applications 6Fixed in: org.jboss.windup-windup-parent

Vendor Advisories (2)

mavenGHSA-rc44-5cmh-879mhigh

Unrestricted recursion in htmlunit

May 25, 2023
redhatCVE-2023-2798Moderate

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

May 25, 2023

References

bugs.chromium.org / p/oss-fuzz/issues/detail
Mailing List
github.com / HtmlUnit/htmlunit/commit/940dc7fd
Patch