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CVE-2015-6831

Date: January 18, 2016

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.

Language: C

Severity Score

Related Resources (14)

http://www.securityfocus.com/bid/76737
https://bugs.php.net/bug.php?id=70168
https://bugs.php.net/bug.php?id=70169
https://people.canonical.com/~ubuntu-security/cve/CVE-2015-6831
http://www.debian.org/security/2015/dsa-3344
https://security-tracker.debian.org/tracker/CVE-2015-6831
https://access.redhat.com/security/cve/CVE-2015-6831
https://security.gentoo.org/glsa/201606-10
https://nvd.nist.gov/vuln/detail/CVE-2015-6831
http://www.php.net/ChangeLog-5.php
http://www.openwall.com/lists/oss-security/2015/08/19/3
https://bugs.php.net/bug.php?id=70166
https://bugs.php.net/bug.php?id=70155
https://www.mend.io/vulnerability-database/CVE-2015-6831

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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