CVE-2015-6834

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

16/05/2016

Last modified:

12/04/2025

Description

Multiple use-after-free vulnerabilities in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 allow remote attackers to execute arbitrary code via vectors related to (1) the Serializable interface, (2) the SplObjectStorage class, and (3) the SplDoublyLinkedList class, which are mishandled during unserialization.

Impact

Vector 3.x

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

Base Score: 9.80 CRITICAL
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vector 2.0

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

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

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

Base Score 2.0

7.50

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:php:php::::::::		5.4.44 (including)
cpe:2.3:a:php:php:5.5.0:::::::*
cpe:2.3:a:php:php:5.5.1:::::::*
cpe:2.3:a:php:php:5.5.2:::::::*
cpe:2.3:a:php:php:5.5.3:::::::*
cpe:2.3:a:php:php:5.5.4:::::::*
cpe:2.3:a:php:php:5.5.5:::::::*
cpe:2.3:a:php:php:5.5.6:::::::*
cpe:2.3:a:php:php:5.5.7:::::::*
cpe:2.3:a:php:php:5.5.8:::::::*
cpe:2.3:a:php:php:5.5.9:::::::*
cpe:2.3:a:php:php:5.5.10:::::::*
cpe:2.3:a:php:php:5.5.11:::::::*
cpe:2.3:a:php:php:5.5.12:::::::*
cpe:2.3:a:php:php:5.5.13:::::::*

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::::::::		5.4.44 (including)
cpe:2.3:a:php:php:5.5.0:::::::*
cpe:2.3:a:php:php:5.5.1:::::::*
cpe:2.3:a:php:php:5.5.2:::::::*
cpe:2.3:a:php:php:5.5.3:::::::*
cpe:2.3:a:php:php:5.5.4:::::::*
cpe:2.3:a:php:php:5.5.5:::::::*
cpe:2.3:a:php:php:5.5.6:::::::*
cpe:2.3:a:php:php:5.5.7:::::::*
cpe:2.3:a:php:php:5.5.8:::::::*
cpe:2.3:a:php:php:5.5.9:::::::*
cpe:2.3:a:php:php:5.5.10:::::::*
cpe:2.3:a:php:php:5.5.11:::::::*
cpe:2.3:a:php:php:5.5.12:::::::*
cpe:2.3:a:php:php:5.5.13:::::::*

CVE-2015-6834

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools