Description
An issue was discovered in libexpat before 2.6.3. nextScaffoldPart in xmlparse.c can have an integer overflow for m_groupSize on 32-bit platforms (where UINT_MAX equals SIZE_MAX).
Published: 2024-08-30
Score: 7.3 High
EPSS: 2.3% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3893-1 expat security update
Debian DSA Debian DSA DSA-5770-1 expat security update
Ubuntu USN Ubuntu USN USN-7000-1 Expat vulnerabilities
Ubuntu USN Ubuntu USN USN-7000-2 Expat vulnerabilities
History

Tue, 12 May 2026 12:30:00 +0000


Tue, 04 Nov 2025 17:30:00 +0000

Type Values Removed Values Added
References

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00225}

epss

{'score': 0.00184}


Tue, 17 Dec 2024 02:15:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:service_interconnect:1::el9

Fri, 22 Nov 2024 15:45:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:openshift:4.17::el9

Fri, 22 Nov 2024 12:00:00 +0000

Type Values Removed Values Added
References

Wed, 09 Oct 2024 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Redhat openshift
CPEs cpe:/a:redhat:openshift:4.16::el9
Vendors & Products Redhat openshift

Thu, 26 Sep 2024 22:45:00 +0000

Type Values Removed Values Added
First Time appeared Redhat service Interconnect
CPEs cpe:/a:redhat:service_interconnect:1.4::el9
Vendors & Products Redhat service Interconnect

Tue, 24 Sep 2024 11:00:00 +0000

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:8

Wed, 18 Sep 2024 18:45:00 +0000

Type Values Removed Values Added
First Time appeared Redhat
Redhat enterprise Linux
CPEs cpe:/a:redhat:enterprise_linux:9
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux

Fri, 06 Sep 2024 13:45:00 +0000

Type Values Removed Values Added
References

Thu, 05 Sep 2024 09:15:00 +0000

Type Values Removed Values Added
Title libexpat: integer overflow
References
Metrics threat_severity

None

threat_severity

Moderate


Wed, 04 Sep 2024 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Libexpat Project
Libexpat Project libexpat
CPEs cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*
Vendors & Products Libexpat Project
Libexpat Project libexpat

Fri, 30 Aug 2024 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Libexpat
Libexpat expat
Weaknesses CWE-190
CPEs cpe:2.3:a:libexpat:expat:*:*:*:*:*:*:*:*
Vendors & Products Libexpat
Libexpat expat
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 30 Aug 2024 02:30:00 +0000

Type Values Removed Values Added
Description An issue was discovered in libexpat before 2.6.3. nextScaffoldPart in xmlparse.c can have an integer overflow for m_groupSize on 32-bit platforms (where UINT_MAX equals SIZE_MAX).
References

Subscriptions

Libexpat Expat
Libexpat Project Libexpat
Redhat Enterprise Linux Openshift Service Interconnect
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-12T11:57:34.270Z

Reserved: 2024-08-30T00:00:00.000Z

Link: CVE-2024-45492

cve-icon Vulnrichment

Updated: 2025-11-04T16:15:49.298Z

cve-icon NVD

Status : Modified

Published: 2024-08-30T03:15:03.930

Modified: 2026-05-12T12:17:10.923

Link: CVE-2024-45492

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-08-30T03:15:03Z

Links: CVE-2024-45492 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses