1--TEST-- 2Bug #68942 (Use after free vulnerability in unserialize() with DateTimeZone). 3--FILE-- 4<?php 5$data = unserialize('a:2:{i:0;O:12:"DateTimeZone":2:{s:13:"timezone_type";a:2:{i:0;i:1;i:1;i:2;}s:8:"timezone";s:1:"A";}i:1;R:4;}'); 6var_dump($data); 7?> 8--EXPECTF-- 9Fatal error: Uncaught Error: Timezone initialization failed in %s:%d 10Stack trace: 11#0 [internal function]: DateTimeZone->__wakeup() 12#1 %s(%d): unserialize('a:2:{i:0;O:12:"...') 13#2 {main} 14 thrown in %s on line %d 15