CVE-2015-6837

HIGH Year: 2015
CVSS v3 Score
7.5
High
CVSS v2 Score
5.0
Medium
Weakness Type
NVD-CWE-Other
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Vulnerability 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.

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