CVE-2025-49794

A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain circumstances when the XML schematron has the <sch:name path="..."/> schema elements. This flaw allows a malicious actor to craft a malicious XML document used as input for libxml, resulting in the program's crash using libxml or other possible undefined behaviors.

A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain circumstances when the XML schematron has the <sch:name path="..."/> schema elements. This flaw allows a malicious actor to craft a malicious XML document used as input for libxml, resulting in the program's crash using libxml or other possible undefined behaviors.

Se detectó una vulnerabilidad de use-after-free en libxml2. Este problema se produce al analizar elementos XPath en ciertas circunstancias cuando el esquema XML contiene los elementos de esquema . Esta falla permite a un actor malicioso manipular un documento XML malicioso que se utiliza como entrada para libxml, lo que provoca el bloqueo del programa al usar libxml u otros posibles comportamientos indefinidos.