CVE-2015-6834

9.8 CRITICAL
Published: May 16, 2016 Modified: May 06, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://php.net/ChangeLog-5.php
Source: security@opentext.com
http://www.securityfocus.com/bid/76649
Source: security@opentext.com
http://www.securitytracker.com/id/1033548
Source: security@opentext.com
https://bugs.php.net/bug.php?id=70172
Source: security@opentext.com
https://bugs.php.net/bug.php?id=70365
Source: security@opentext.com
https://bugs.php.net/bug.php?id=70366
Source: security@opentext.com
https://security.gentoo.org/glsa/201606-10
Source: security@opentext.com
http://php.net/ChangeLog-5.php
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2015/dsa-3358
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/76649
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1033548
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugs.php.net/bug.php?id=70172
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugs.php.net/bug.php?id=70365
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugs.php.net/bug.php?id=70366
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.gentoo.org/glsa/201606-10
Source: af854a3a-2127-422b-91ae-364da2661108

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
37.2%
97th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

php