Type confusion in Libxml2 - CVE-2026-6732

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Main Vulnerability Database Vulnerabilities #VU128468

Type confusion in Libxml2 - CVE-2026-6732

Published: April 29, 2026


Vulnerability identifier: #VU128468
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-6732
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Libxml2
Software vendor:
Gnome Development Team

Description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a type confusion error when the library processes a specially crafted XML Schema Definition (XSD) validated document that includes an internal entity reference. A remote attacker can supply a specially crafted XML document to the application and perform a denial of service attack. 


Remediation

Install updates from vendor's website.

External links