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.

References

http://www.securitytracker.com/id/1033548
vdb-entryx_refsource_SECTRACK
https://bugs.php.net/bug.php?id=69782
x_refsource_CONFIRM
http://php.net/ChangeLog-5.php
x_refsource_CONFIRM

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.