CVE-2023-52426

libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://cwe.mitre.org/data/definitions/776.html	Technical Description
https://github.com/libexpat/libexpat/commit/0f075ec8ecb5e43f8fdca5182f8cca4703da0404	Patch Vendor Advisory
https://github.com/libexpat/libexpat/pull/777	Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PNRIHC7DVVRAIWFRGV23Y6UZXFBXSQDB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNUBSGZFEZOBHJFTAD42SAN4ATW2VEMV/
https://security.netapp.com/advisory/ntap-20240307-0005/
https://cwe.mitre.org/data/definitions/776.html	Technical Description
https://github.com/libexpat/libexpat/commit/0f075ec8ecb5e43f8fdca5182f8cca4703da0404	Patch Vendor Advisory
https://github.com/libexpat/libexpat/pull/777	Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PNRIHC7DVVRAIWFRGV23Y6UZXFBXSQDB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNUBSGZFEZOBHJFTAD42SAN4ATW2VEMV/
https://lists.fedoraproject.org/archives/list/[email protected]/message/PNRIHC7DVVRAIWFRGV23Y6UZXFBXSQDB/
https://security.netapp.com/advisory/ntap-20240307-0005/

Configurations

Configuration 1 (hide)

cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*

History

04 Nov 2025, 19:16

Type	Values Removed	Values Added
References		() https://lists.fedoraproject.org/archives/list/[email protected]/message/PNRIHC7DVVRAIWFRGV23Y6UZXFBXSQDB/ -

Information

Published : 2024-02-04 20:15

Updated : 2025-11-04 19:16

NVD link : CVE-2023-52426

Mitre link : CVE-2023-52426

CVE.ORG link : CVE-2023-52426

JSON object : View

Products Affected

libexpat_project

libexpat

CWE

CWE-776

Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

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