CVE-2026-6732

6.5 MEDIUM
Published: April 23, 2026 Modified: June 30, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://access.redhat.com/errata/RHSA-2026:11503
Source: secalert@redhat.com
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2026-6732
Source: secalert@redhat.com
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2461300
Source: secalert@redhat.com
Issue Tracking Third Party Advisory
https://gitlab.gnome.org/GNOME/libxml2/-/issues/1097
Source: secalert@redhat.com
Exploit Issue Tracking Third Party Advisory
https://gitlab.gnome.org/GNOME/libxml2/-/merge_requests/411
Source: secalert@redhat.com
Issue Tracking Third Party Advisory

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.5 / 10.0
EPSS (Exploit Probability)
0.6%
46th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

ibm redhat xmlsoft