CVE-2023-52426

MEDIUM
Published Feb 4, 2024 Modified Nov 4, 2025 CWE-776

Description

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

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-776 CWE-776

Affected Products

Vendor Product
libexpat_project libexpat

References

Other References

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

Frequently Asked Questions

What is CVE-2023-52426? +
libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time. It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2023-52426? +
CVE-2023-52426 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2023-52426? +
CVE-2023-52426 affects products from libexpat_project, specifically: libexpat. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-52426? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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