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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Current Description
The xsl_ext_function_php function in ext/xsl/xsltprocessor.c in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13, when libxml2 before 2.9.2 is used, does not consider the possibility of a NULL valuePop return value before proceeding with a free operation during initial error checking, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted XML document, a different vulnerability than CVE-2015-6838.
The xsl_ext_function_php function in ext/xsl/xsltprocessor.c in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13, when libxml2 before 2.9.2 is used, does not consider the possibility of a NULL valuePop return value before proceeding with a free operation during initial error checking, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted XML document, a different vulnerability than CVE-2015-6838.
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La función xsl_function_php en ext/xsl/xsl/xsltprocessor.c en PHP en versiones anteriores a 5.4.45, 5.5.x en versiones anteriores a 5.5.29 y 5.6.x en versiones anteriores a 5.6.13, cuando se utiliza libxml2 en versiones anteriores a 2.9.2, no considera la posibilidad de un retorno NULL valuePop antes de proceder a una operación libre durante la comprobación inicial de errores, lo que permite a atacantes remotos provocar una denegación de servicio (referencia a puntero NULO y caída de aplicación)
La función xsl_function_php en ext/xsl/xsl/xsltprocessor.c en PHP en versiones anteriores a 5.4.45, 5.5.x en versiones anteriores a 5.5.29 y 5.6.x en versiones anteriores a 5.6.13, cuando se utiliza libxml2 en versiones anteriores a 2.9.2, no considera la posibilidad de un NULL valuePop antes de proceder a una operación libre durante la comprobación de errores inicial, lo que permite a atacantes remotos provocar una denegación de servicio (en referencia a un puntero NULL y caída de aplicación) a
Initial CVE Analysis5/17/2016 10:12:14 AM
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Quick Info
CVE Dictionary Entry: CVE-2015-6837 NVD
Published Date: 05/16/2016 NVD
Last Modified: 11/06/2023
Source: OpenText