Denial of Service Vulnerability in PHP XSL Processor
CVE-2015-6838

7.5HIGH

Key Information:

Vendor: PHP
Status: PHP; Libxml2
Vendor: CVE Published:; 16 May 2016

What is CVE-2015-6838?

The vulnerability in the xsl_ext_function_php function within PHP's XSLT processor allows remote attackers to exploit a NULL value return from a badly crafted XML document, leading to a denial of service via application crashes. This occurs in specific PHP versions and when using older versions of libxml2, illustrating a significant flaw in error handling that necessitates prompt attention to affected systems.

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