CVE-2016-7411: PHP

Critical severity, CVSS 9.8. 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.

Affected products

• PHP PHP: up to and including 5.6.25

Published 2016-09-17. Last modified 2026-06-17.