CVE-2015-6838

php: NULL pointer dereference in XSLTProcessor class

Published May 16, 2016 CVSS 3.0 · 7.5 High EPSS 8.1% KEV · Not listed
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 after the principal argument loop, 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-2015-6837.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DLA Debian DLA DLA-341-1 php5 security update
Debian DSA Debian DSA DSA-3358-1 php5 security update
EUVD EUVD EUVD-2015-6774 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 after the principal argument loop, 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-2015-6837.
Ubuntu USN Ubuntu USN USN-2758-1 PHP vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
microfocus
Published
Updated
Aug 6, 2024, 7:36 AM
Reserved
Sep 8, 2015, 12:00 AM
Status
Modified
Published
May 16, 2016, 10:59 AM
Modified
Jun 17, 2026, 12:31 AM
Severity
Low
Public date
Jun 9, 2015, 12:00 AM