CVE-2024-56171

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
xmlsoft	libxml2	< 2.12.10; >= 2.13.0, < 2.13.6

References

Timeline

Published: Feb 18, 2025
Last modified: Jun 17, 2026
NVD status: Modified

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