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CVSS 6.5 · MEDIUM

CVE-2026-6732

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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Severidad

Puntaje: 6.5(MEDIUM)
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV: ADJACENT_NETWORK
AC: LOW
PR: NONE
UI: NONE
S: UNCHANGED
C: NONE
I: NONE
A: HIGH
Tipo de falla (CWE): CWE-843

EPSS

Probabilidad de explotación (próx. 30 días): 0.0005 (0.1%)
Percentil: 15.9%
EPSS: 2026-05-06

Afecta

redhat:hardened_imagesredhat:jboss_core_servicesredhat:openshift_container_platformxmlsoft:libxml2redhat:enterprise_linux

Descripción técnica

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.

Publicada: 23/4/2026, 23:16:16
Última modificación: 5/5/2026, 13:58:51

Referencias

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