In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.
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Fixes

Solution

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Workaround

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History

Wed, 28 Jan 2026 00:15:00 +0000

Type Values Removed Values Added
Title libexpat: libexpat null pointer dereference
References
Metrics threat_severity

None

threat_severity

Low


Fri, 23 Jan 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 23 Jan 2026 08:00:00 +0000

Type Values Removed Values Added
Description In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.
First Time appeared Libexpat Project
Libexpat Project libexpat
Weaknesses CWE-476
CPEs cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*
Vendors & Products Libexpat Project
Libexpat Project libexpat
References
Metrics cvssV3_1

{'score': 2.9, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-01-23T15:31:51.679Z

Reserved: 2026-01-23T07:46:36.099Z

Link: CVE-2026-24515

cve-icon Vulnrichment

Updated: 2026-01-23T15:31:46.915Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-23T08:16:01.490

Modified: 2026-01-26T15:03:51.687

Link: CVE-2026-24515

cve-icon Redhat

Severity : Low

Publid Date: 2026-01-23T07:46:36Z

Links: CVE-2026-24515 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses