CVE-2016-4344

9.8 CRITICAL
Published: May 22, 2016 Modified: May 06, 2026
View on NVD

Description

Integer overflow in the xml_utf8_encode function in ext/xml/xml.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long argument to the utf8_encode function, leading to a heap-based buffer overflow.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://php.net/ChangeLog-7.php
Source: cve@mitre.org
Release Notes Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/04/28/2
Source: cve@mitre.org
Mailing List Third Party Advisory
https://bugs.php.net/bug.php?id=71637
Source: cve@mitre.org
Exploit Issue Tracking Patch Vendor Advisory
http://php.net/ChangeLog-7.php
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/04/28/2
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://bugs.php.net/bug.php?id=71637
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking Patch Vendor Advisory

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
0.7%
71th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

php