CVE-2016-7124

9.8 CRITICAL
Published: September 12, 2016 Modified: May 06, 2026
View on NVD

Description

ext/standard/var_unserializer.c in PHP before 5.6.25 and 7.x before 7.0.10 mishandles certain invalid objects, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data that leads to a (1) __destruct call or (2) magic method call.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/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://www.php.net/ChangeLog-5.php
Source: cve@mitre.org
Release Notes
http://www.php.net/ChangeLog-7.php
Source: cve@mitre.org
Release Notes
https://bugs.php.net/bug.php?id=72663
Source: cve@mitre.org
Exploit Issue Tracking
http://openwall.com/lists/oss-security/2016/09/02/9
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.php.net/ChangeLog-5.php
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
http://www.php.net/ChangeLog-7.php
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
http://www.securityfocus.com/bid/92756
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1036680
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugs.php.net/bug.php?id=72663
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking
https://github.com/php/php-src/commit/20ce2fe8e3c211a42fee05a461a5881be9a8790e?w=1
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch
https://security.gentoo.org/glsa/201611-22
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.tenable.com/security/tns-2016-19
Source: af854a3a-2127-422b-91ae-364da2661108

20 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
74.7%
99th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

php