What’s Vulnerable › Vulnerabilities

CVE-2024-56171

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-18 · updated 2026-06-17
• Weakness: CWE-416

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.

Affected products

• Active IQ Unified Manager for VMware vSphere, Linux, and Microsoft Windows: all versions
• NetApp H300S Firmware: all versions
• NetApp H410C Firmware: all versions
• NetApp H410S Firmware: all versions
• NetApp H500S Firmware: all versions
• NetApp H700S Firmware: all versions
• NetApp Hci Compute Node: all versions
• NetApp Manageability Software Development Kit: all versions
• NetApp ONTAP 9: 9
• NetApp Solidfire & Hci Management Node: all versions
• xmlsoft libxml2: before 2.12.10; from 2.13.0 before 2.13.6 — fixed in 2.12.10, 2.13.6

How to fix

Upgrade to a fixed version: xmlsoft libxml2 2.12.10, 2.13.6. Check the vendor advisory for mitigations.

References

• https://gitlab.gnome.org/GNOME/libxml2/-/issues/828
• http://seclists.org/fulldisclosure/2025/Apr/10
• http://seclists.org/fulldisclosure/2025/Apr/11
• http://seclists.org/fulldisclosure/2025/Apr/12
• http://seclists.org/fulldisclosure/2025/Apr/13
• http://seclists.org/fulldisclosure/2025/Apr/4
• http://seclists.org/fulldisclosure/2025/Apr/5
• http://seclists.org/fulldisclosure/2025/Apr/8
• http://seclists.org/fulldisclosure/2025/Apr/9
• https://lists.debian.org/debian-lts-announce/2025/02/msg00028.html
• https://security.netapp.com/advisory/ntap-20250328-0010/

Get alerted when CVE-2024-56171 or the next vulnerability affects your stack