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Vulnerability record · CVE-2022-25313 · published 18 February 2022

CVE-2022-25313: Libexpat project libexpat vulnerability

LLibexpat Project · Libexpat

In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.

6.5 CVSS 3.1 Medium EPSS 3.3% · top 11.9% CWE-674 · CWE-674
6.5CVSS 3.1 base score, v2 4.3
3.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
20References
17 Jun 2026Last modified by NVD

Description

In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.

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

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2022/02/19/1 Mailing ListThird Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf Third Party Advisory
https://github.com/libexpat/libexpat/pull/558 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQO
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJG
https://security.gentoo.org/glsa/202209-24 Third Party Advisory
https://security.netapp.com/advisory/ntap-20220303-0008/ Third Party Advisory
https://www.debian.org/security/2022/dsa-5085 Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html PatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/02/19/1 Mailing ListThird Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf Third Party Advisory
https://github.com/libexpat/libexpat/pull/558 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQO
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJG
https://security.gentoo.org/glsa/202209-24 Third Party Advisory
https://security.netapp.com/advisory/ntap-20220303-0008/ Third Party Advisory
https://www.debian.org/security/2022/dsa-5085 Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html PatchThird Party Advisory

Track CVE-2022-25313 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2022-25313), CISA KEV, FIRST EPSS (scores of 2026-10-06). This page is refreshed as NVD updates the record.