CVE-2026-6732
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Vulnerability report for CVE-2026-6732, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-04-23
Last updated on: 2026-06-30
Assigner: Red Hat, Inc.
Description
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 Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| ibm | vios | From 4.1.0 (inc) to 4.1.1.30 (exc) |
| ibm | vios | 4.1.2.0 |
| ibm | aix | From 7.2.5 (inc) to 7.2.5.12 (exc) |
| ibm | aix | From 7.3.2 (inc) to 7.3.3.3 (exc) |
| ibm | aix | 7.3.4 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-843 | The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. |
