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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-6732 Detail

Description

A flaw was found in libxml2. This vulnerability occurs when the library processes a specially crafted XML Schema Definition (XSD) validated document that includes an internal entity reference. An attacker could exploit this by providing a malicious document, leading to a type confusion error that causes the application to crash. This results in a denial of service (DoS), making the affected system or application unavailable.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://access.redhat.com/errata/RHSA-2026:11503 Red Hat, Inc. Third Party Advisory 
https://access.redhat.com/security/cve/CVE-2026-6732 Red Hat, Inc. Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=2461300 Red Hat, Inc. Issue Tracking  Third Party Advisory 
https://gitlab.gnome.org/GNOME/libxml2/-/issues/1097 Red Hat, Inc. Exploit  Issue Tracking  Third Party Advisory 
https://gitlab.gnome.org/GNOME/libxml2/-/merge_requests/411 Red Hat, Inc. Issue Tracking  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion') Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-6732
NVD Published Date:
04/23/2026
NVD Last Modified:
05/15/2026
Source:
Red Hat, Inc.