CVE-2015-6831

High

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.

SeverityHigh

CVSS7.3

Exploit probability94. percentile7.1%

Product

Php

PublishedJan 19, 2016

First seenJan 19, 2016

Weakness typeCWE-416Use after free

How to fix

Update

php php5.4.44, 5.5.28, 5.6.12 or later

Vendor advisories

security.gentoo.org/glsa/201606-10

Affected products

Product	Affected versions	Fixed in
php php	v < 5.4.44, 5.5.0 ≤ v < 5.5.28, 5.6.0 ≤ v < 5.6.12	5.4.44, 5.5.28, 5.6.12
debian debian_linux	7.0, 8.0	—

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