CVE-2015-6831

HIGH

PHP < 5.4.44 - Use-After-Free in SPL Unserialization

Title source: llm
STIX 2.1

Description

Multiple use-after-free vulnerabilities in SPL in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allow remote attackers to execute arbitrary code via vectors involving (1) ArrayObject, (2) SplObjectStorage, and (3) SplDoublyLinkedList, which are mishandled during unserialization.

References (9)

Core 9
Core References
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2015/dsa-3344
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/76737
Various Sources x_refsource_confirm
https://bugs.php.net/bug.php?id=70169
Various Sources x_refsource_confirm
https://bugs.php.net/bug.php?id=70168
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/08/19/3
Vendor Advisory x_refsource_confirm
http://www.php.net/ChangeLog-5.php
Various Sources x_refsource_confirm
https://bugs.php.net/bug.php?id=70166
Various Sources x_refsource_confirm
https://bugs.php.net/bug.php?id=70155
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201606-10

Scores

CVSS v3 7.3
EPSS 0.0116
EPSS Percentile 78.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Details

CWE
CWE-416
Status published
Products (3)
debian/debian_linux 7.0
debian/debian_linux 8.0
php/php < 5.4.44
Published Jan 19, 2016
Tracked Since Feb 18, 2026