CVE-2023-4043

24

FAUCET Score

CVE-2023-4043 affects Eclipse Parsson versions prior to 1.1.4 and 1.0.5, stemming from a vulnerability where parsing untrusted JSON with large-scale numbers can cause significantly increased processing times. This denial-of-service vulnerability carries a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low complexity to achieve high availability impact. While there is no evidence of active exploitation, public exploit code, or inclusion in the KEV catalog, the vulnerability has garnered some community discussion and media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 0, < 1.0.5CPE match	cpe:2.3:a:eclipse:parsson::::::::
		>= 1.1.0, < 1.1.4CPE match	cpe:2.3:a:eclipse:parsson::::::::
		< 1.0.5CPE matchmatch criteria	cpe:2.3:a:eclipse:parsson::::::::

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

2.2

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.76%

Probability of exploitation in next 30 days

EPSS Percentile

51.6%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0076 is in the 27th percentile among its peer group of 51,506 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

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 (27)

github_advisorypatch availablevia nvd_reference

mavenpatch availablevia ghsa

Product: org.eclipse.parsson:projectFixed in: 1.1.4

mavenpatch availablevia ghsa

Product: org.eclipse.parsson:projectFixed in: 1.0.5

redhatpatch availablevia redhat_api

Product: Cryostat 2 on RHEL 8Fixed in: cryostat-tech-preview/cryostat-reports-rhel8:2.4.0-3

redhatpatch availablevia redhat_api

Product: Cryostat 2 on RHEL 8Fixed in: cryostat-tech-preview/cryostat-rhel8:2.4.0-3

redhatpatch availablevia redhat_api

Product: Cryostat 2 on RHEL 8Fixed in: cryostat-tech-preview/cryostat-rhel8-operator:2.4.0-5

redhatpatch availablevia redhat_api

Product: Cryostat 2 on RHEL 8Fixed in: cryostat-tech-preview/jfr-datasource-rhel8:2.4.0-3

redhatpatch availablevia redhat_api

Product: EAP 8.0.1Fixed in: parsson

redhatpatch availablevia redhat_api

Product: Red Hat build of Quarkus 3.2.10.FinalFixed in: org.eclipse.parsson/parsson:1.1.5.redhat-00001

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8Fixed in: eap8-apache-sshd-0:2.12.0-1.redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8Fixed in: eap8-eclipse-jgit-0:6.6.1.202309021850-1.r_redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8Fixed in: eap8-lucene-solr-0:8.11.2-2.redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8Fixed in: eap8-parsson-0:1.1.5-1.redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8Fixed in: eap8-wildfly-0:8.0.1-3.GA_redhat_00002.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9Fixed in: eap8-apache-sshd-0:2.12.0-1.redhat_00001.1.el9eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9Fixed in: eap8-eclipse-jgit-0:6.6.1.202309021850-1.r_redhat_00001.1.el9eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9Fixed in: eap8-log4j-0:2.19.0-2.redhat_00001.1.el9eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9Fixed in: eap8-lucene-solr-0:8.11.2-2.redhat_00001.1.el9eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9Fixed in: eap8-parsson-0:1.1.5-1.redhat_00001.1.el9eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9Fixed in: eap8-wildfly-0:8.0.1-3.GA_redhat_00002.1.el9eap

redhatpatch availablevia redhat_api

Product: RHBOAC camel-quarkus 3 (camel-4.0/quarkus-3.2)Fixed in: parsson

redhatpatch availablevia redhat_api

Product: RHINT Camel-Springboot 4.0.3Fixed in: parsson

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8Fixed in: eap8-log4j-0:2.19.0-2.redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Cryostat 2 on RHEL 8Fixed in: cryostat-tech-preview/cryostat-grafana-dashboard-rhel8:2.4.0-4

redhatpatch availablevia redhat_api

Product: Cryostat 2 on RHEL 8Fixed in: cryostat-tech-preview/cryostat-operator-bundle:2.4.0-3

redhatno patchvia redhat_api

Product: Red Hat OpenShift Dev SpacesFixed in: devspaces/pluginregistry-rhel8

redhatend of lifevia redhat_api

Product: Red Hat Build of KeycloakFixed in: parsson

Vendor Advisories (2)

mavenGHSA-g8p6-p27c-52fxmedium

Eclipse Parsson Denial of Service vulnerability

redhatCVE-2023-4043Important

parsson: Denial of Service due to large number parsing

References

github.com / eclipse-ee4j/parsson/pull/100

Patch

gitlab.eclipse.org / security/vulnerability-reports/-/issues/13

ExploitIssue Tracking