CVE-2016-7124

Name: CVE-2016-7124
Creator: NVD / NIST
Published: 2016-09-12T01:59:02.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 16.48%

Last modified Jun 17, 2026

CVE-2016-7124 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 16.48% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

16.48%

96.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Php	Php	7.0.0
Php	Php	7.0.1
Php	Php	7.0.2
Php	Php	7.0.3
Php	Php	7.0.4
Php	Php	7.0.5
Php	Php	7.0.6
Php	Php	7.0.7
Php	Php	7.0.8
Php	Php	7.0.9
Php	Php	<= 5.6.24

References

http://openwall.com/lists/oss-security/2016/09/02/9Mailing List
http://rhn.redhat.com/errata/RHSA-2016-2750.html
http://www.php.net/ChangeLog-5.phpRelease Notes
http://www.php.net/ChangeLog-7.phpRelease Notes
http://www.securityfocus.com/bid/92756
http://www.securitytracker.com/id/1036680
https://bugs.php.net/bug.php?id=72663Exploit, Issue Tracking
https://github.com/php/php-src/commit/20ce2fe8e3c211a42fee05a461a5881be9a8790e?w=1Issue Tracking, Patch
https://security.gentoo.org/glsa/201611-22
https://www.tenable.com/security/tns-2016-19
http://openwall.com/lists/oss-security/2016/09/02/9Mailing List
http://rhn.redhat.com/errata/RHSA-2016-2750.html
http://www.php.net/ChangeLog-5.phpRelease Notes
http://www.php.net/ChangeLog-7.phpRelease Notes
http://www.securityfocus.com/bid/92756
http://www.securitytracker.com/id/1036680
https://bugs.php.net/bug.php?id=72663Exploit, Issue Tracking
https://github.com/php/php-src/commit/20ce2fe8e3c211a42fee05a461a5881be9a8790e?w=1Issue Tracking, Patch
https://security.gentoo.org/glsa/201611-22
https://www.tenable.com/security/tns-2016-19

Timeline

Published: Sep 12, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-7124?

How severe is CVE-2016-7124?

Severity scoring for CVE-2016-7124 is pending analysis. The EPSS model estimates a 16.48% probability of exploitation in the next 30 days.

How do I fix CVE-2016-7124?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-7124?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST