CVE-2016-7411

critical
Published 2016-09-17 · 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.re in PHP before 5.6.26 mishandles object-deserialization failures, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via an unserialize call that references a partially constructed object.

Predictions

Exploit likelihood
97%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/php/php-src/commit/6a7cc8ff85827fa9ac715b3a83c2d9147f33cd43?w=1

vendor Authored 2026-05-27

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

Application impact

VendorProductVersionsFixed
php phpphp{"endIncluding":"5.6.25"}

References

CWEs

CWE-119

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