MEDIUM
ext/wddx/wddx.c in PHP before 5.6.28 and 7.x before 7.0.13 allows remote attackers to cause a denial of service (NULL pointer dereference) via crafted serialized data in a wddxPacket XML document, as demonstrated by a PDORow string.
http://lists.opensuse.org/opensuse-updates/2016-12/msg00142.html
http://lists.opensuse.org/opensuse-updates/2017-01/msg00034.html
http://lists.opensuse.org/opensuse-updates/2017-01/msg00054.html
http://www.openwall.com/lists/oss-security/2016/12/12/2
http://www.php.net/ChangeLog-5.php
http://www.php.net/ChangeLog-7.php
http://www.securityfocus.com/bid/94845
https://access.redhat.com/errata/RHSA-2018:1296
https://bugs.php.net/bug.php?id=73331
https://github.com/php/php-src/commit/6045de69c7dedcba3eadf7c4bba424b19c81d00d
Source: MITRE
Published: 2017-01-04
Updated: 2018-05-04
Type: CWE-476
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH