CVE-2016-7418: PHP

High severity, CVSS 7.5. EPSS: 11.4% chance of exploitation in the next 30 days.

The php_wddx_push_element function in ext/wddx/wddx.c in PHP before 5.6.26 and 7.x before 7.0.11 allows remote attackers to cause a denial of service (invalid pointer access and out-of-bounds read) or possibly have unspecified other impact via an incorrect boolean element in a wddxPacket XML document, leading to mishandling in a wddx_deserialize call.

Affected products

• PHP PHP: up to and including 5.6.25; version 7.0.0 only; version 7.0.1 only; version 7.0.2 only; version 7.0.3 only; version 7.0.4 only; …

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