CVE-2024-56171

Name: CVE-2024-56171
Creator: NVD / NIST
Published: 2025-02-18T22:15:12.797+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.13%

Last modified Jun 17, 2026

CVE-2024-56171 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.13% chance of exploitation in the next 30 days.

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

9.8/10

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

EPSS Probability

1.13%

62.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Xmlsoft	Libxml2	< 2.12.10
Xmlsoft	Libxml2	>= 2.13.0, < 2.13.6
Netapp	Hci Compute Node	All versions
Netapp	H410c Firmware	All versions
Netapp	H300s Firmware	All versions
Netapp	H500s Firmware	All versions
Netapp	H700s Firmware	All versions
Netapp	H410s Firmware	All versions
Netapp	Active Iq Unified Manager	All versions
Netapp	Manageability Software Development Kit	All versions
Netapp	Ontap	9
Netapp	Solidfire \& Hci Management Node	All versions

References

Timeline

Published: Feb 18, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-56171?

How severe is CVE-2024-56171?

CVE-2024-56171 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.13% probability of exploitation in the next 30 days.

How do I fix CVE-2024-56171?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-56171?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST