CVE-2016-7411

9.8 criticalEPSS 5.6%

Critical (9.8) in php php. EPSS 5.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 5.6% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2016-09-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

php:php

References

http://www.openwall.com/lists/oss-security/2016/09/15/10
http://www.php.net/ChangeLog-5.php
http://www.securityfocus.com/bid/93009
http://www.securitytracker.com/id/1036836
https://bugs.php.net/bug.php?id=73052

Check your stack JSON