CVE-2016-7124

critical
Published 2016-09-12 · Modified 2026-05-06
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
7.5
VIR risk
9.8

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.

Predictions

Exploit likelihood
97%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-7124.html

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/php/php-src/commit/20ce2fe8e3c211a42fee05a461a5881be9a8790e?w=1

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://www.php.net/ChangeLog-7.php

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://www.php.net/ChangeLog-5.php

OS impact

OSVersionStatusFixed in
suse slesaffected

Application impact

VendorProductVersionsFixed
php phpphp7.0.0
php phpphp7.0.1
php phpphp7.0.2
php phpphp7.0.3
php phpphp7.0.4
php phpphp7.0.5
php phpphp7.0.6
php phpphp7.0.7
php phpphp7.0.8
php phpphp7.0.9
php phpphp{"endIncluding":"5.6.24"}

References

CWEs

CWE-502

Verify integrity in audit chain (admin only). AS-IS.