Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xmlsoft | Libxml2 | >= 2.13.0, < 2.15.3 |
| Redhat | Hardened Images | - |
| Redhat | Jboss Core Services | - |
| Redhat | Openshift Container Platform | 4.0 |
| Redhat | Enterprise Linux | 6.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2026:11503Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2026-6732Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2461300Issue TrackingThird Party Advisory
- https://gitlab.gnome.org/GNOME/libxml2/-/issues/1097ExploitIssue TrackingThird Party Advisory
- https://gitlab.gnome.org/GNOME/libxml2/-/merge_requests/411Issue TrackingThird Party Advisory
FAQ
What is CVE-2026-6732?
CVE-2026-6732 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 atta...
How severe is CVE-2026-6732?
CVE-2026-6732 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-6732?
Check the references section above for vendor advisories and patch information. Affected products include: Xmlsoft Libxml2, Redhat Hardened Images, Redhat Jboss Core Services, Redhat Openshift Container Platform, Redhat Enterprise Linux.