CVE-2016-9934

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

04/01/2017

Last modified:

12/04/2025

Description

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.

Impact

Vector 3.x

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:php:php::::::::		5.6.27 (including)
cpe:2.3:a:php:php:7.0.0:::::::*
cpe:2.3:a:php:php:7.0.1:::::::*
cpe:2.3:a:php:php:7.0.2:::::::*
cpe:2.3:a:php:php:7.0.3:::::::*
cpe:2.3:a:php:php:7.0.4:::::::*
cpe:2.3:a:php:php:7.0.5:::::::*
cpe:2.3:a:php:php:7.0.6:::::::*
cpe:2.3:a:php:php:7.0.7:::::::*
cpe:2.3:a:php:php:7.0.8:::::::*
cpe:2.3:a:php:php:7.0.9:::::::*
cpe:2.3:a:php:php:7.0.10:::::::*
cpe:2.3:a:php:php:7.0.11:::::::*
cpe:2.3:a:php:php:7.0.12:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:a:php:php::::::::		5.6.27 (including)
cpe:2.3:a:php:php:7.0.0:::::::*
cpe:2.3:a:php:php:7.0.1:::::::*
cpe:2.3:a:php:php:7.0.2:::::::*
cpe:2.3:a:php:php:7.0.3:::::::*
cpe:2.3:a:php:php:7.0.4:::::::*
cpe:2.3:a:php:php:7.0.5:::::::*
cpe:2.3:a:php:php:7.0.6:::::::*
cpe:2.3:a:php:php:7.0.7:::::::*
cpe:2.3:a:php:php:7.0.8:::::::*
cpe:2.3:a:php:php:7.0.9:::::::*
cpe:2.3:a:php:php:7.0.10:::::::*
cpe:2.3:a:php:php:7.0.11:::::::*
cpe:2.3:a:php:php:7.0.12:::::::*

CVE-2016-9934

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools