HIGH
Double free vulnerability in the SplDoublyLinkedList::offsetSet function in ext/spl/spl_dllist.c in PHP 7.x before 7.0.6 allows remote attackers to execute arbitrary code via a crafted index.
http://github.com/php/php-src/commit/28a6ed9f9a36b9c517e4a8a429baf4dd382fc5d5?w=1
http://www.securityfocus.com/bid/92356
https://bugs.php.net/bug.php?id=71735
Source: MITRE
Published: 2016-08-07
Updated: 2016-11-28
Type: CWE-415
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL