CVE-2024-56171 HIGH

CVE-2024-56171

Vendor Xmlsoft
Product libxml2
Weakness CWE-416
Published February 18, 2025
Last update November 3, 2025
View on NVD All CVEs

CVSS base score

7.8/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 18, 2025 CVE published
November 3, 2025 Record updated