ext/standard/var_unserializer.c in PHP 5.x through 7.1.24 allows attackers to cause a denial of service (application crash) via an unserialize call for the com, dotnet, or variant class.Referenceshttp://www.securityfocus.com/bid/105989https://security.netapp.com/advisory/ntap-20181221-0005/https://bugs.php.net/bug.php?id=77177
