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CVE-2023-52426

Date: February 3, 2024

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

Language: C

Severity Score

5.5

Related Resources (10)

Url: https://github.com/libexpat/libexpat/pull/777

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNUBSGZFEZOBHJFTAD42SAN4ATW2VEMV/

Url: https://security.alpinelinux.org/vuln/CVE-2023-52426

Url: https://security-tracker.debian.org/tracker/CVE-2023-52426

Url: https://nvd.nist.gov/vuln/detail/CVE-2023-52426

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PNRIHC7DVVRAIWFRGV23Y6UZXFBXSQDB/

Url: https://github.com/libexpat/libexpat/commit/0f075ec8ecb5e43f8fdca5182f8cca4703da0404

Url: https://cwe.mitre.org/data/definitions/776.html

Url: https://security.netapp.com/advisory/ntap-20240307-0005/

Url: https://www.mend.io/vulnerability-database/CVE-2023-52426

Severity Score

5.5

Weakness Type (CWE)

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

CWE-776

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

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