CVE-2018-19395: PHP

High severity, CVSS 7.5. EPSS: 4.3% chance of exploitation in the next 30 days.

ext/standard/var.c in PHP 5.x through 7.1.24 on Windows allows attackers to cause a denial of service (NULL pointer dereference and application crash) because com and com_safearray_proxy return NULL in com_properties_get in ext/com_dotnet/com_handlers.c, as demonstrated by a serialize call on COM("WScript.Shell").

Affected products

• PHP PHP: from 5.0.0, up to and including 7.1.24

Published 2018-11-20. Last modified 2026-06-17.