Description
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
Published: 2022-01-06
Score: 8.1 High
EPSS: 4.1% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2904-1 expat security update
Debian DSA Debian DSA DSA-5073-1 expat security update
EUVD EUVD EUVD-2021-32843 In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
Ubuntu USN Ubuntu USN USN-5288-1 Expat vulnerabilities
Ubuntu USN Ubuntu USN USN-5455-1 xmltok library vulnerabilities
Ubuntu USN Ubuntu USN USN-7199-1 xmltok library vulnerabilities
Ubuntu USN Ubuntu USN USN-7913-1 MAME vulnerabilities
History

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.04085}

epss

{'score': 0.04131}


Mon, 05 May 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 13 Feb 2025 00:30:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:enterprise_linux:9
cpe:/o:redhat:enterprise_linux:9

Subscriptions

Libexpat Project Libexpat
Netapp Active Iq Unified Manager Clustered Data Ontap Hci Baseboard Management Controller Oncommand Workflow Automation Solidfire \& Hci Management Node
Redhat Enterprise Linux Jboss Core Services
Siemens Sinema Remote Connect Server
Tenable Nessus
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-05-05T16:44:58.649Z

Reserved: 2022-01-06T00:00:00.000Z

Link: CVE-2021-46143

cve-icon Vulnrichment

Updated: 2024-08-04T05:02:11.585Z

cve-icon NVD

Status : Modified

Published: 2022-01-06T04:15:07.017

Modified: 2025-05-05T17:17:28.820

Link: CVE-2021-46143

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-01-15T00:00:00Z

Links: CVE-2021-46143 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses