CVE-2026-0989
Full vulnerability record from the local CVENow database.
Description
A flaw was identified in the RelaxNG parser of libxml2 related to how external schema inclusions are handled. The parser does not enforce a limit on inclusion depth when resolving nested <include> directives. Specially crafted or overly complex schemas can cause excessive recursion during parsing. This may lead to stack exhaustion and application crashes, creating a denial-of-service risk.
Severity
LOW
CVSS score
3.7
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-01-15 15:15:52.350000
Last modified
2026-11-06 18:17:31.533000
View original CVE JSON
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"id": "CVE-2026-0989",
"sourceIdentifier": "[email protected]",
"published": "2026-01-15T15:15:52.350",
"lastModified": "2026-11-06T18:17:31.533",
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"value": "A flaw was identified in the RelaxNG parser of libxml2 related to how external schema inclusions are handled. The parser does not enforce a limit on inclusion depth when resolving nested <include> directives. Specially crafted or overly complex schemas can cause excessive recursion during parsing. This may lead to stack exhaustion and application crashes, creating a denial-of-service risk."
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"value": "Se identificó un fallo en el analizador RelaxNG de libxml2 relacionado con la forma en que se gestionan las inclusiones de esquemas externos. El analizador no impone un límite en la profundidad de inclusión al resolver directivas anidadas. Esquemas especialmente elaborados o excesivamente complejos pueden causar recursión excesiva durante el análisis. Esto puede provocar el agotamiento de la pila y caídas de la aplicación, creando un riesgo de denegación de servicio."
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