CVE-2026-6732
7.5
HIGH
CVSS 3.1
EPSS 0.63%
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.
How to fix CVE-2026-6732
To remediate CVE-2026-6732, upgrade the affected package to a fixed version below.
- —upgrade to 2.13.9-r1 or later
Is CVE-2026-6732 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 2.13.0, < 2.13.9-r1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |