Vulnerability DatabaseCVE-2014-8142
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CVE-2014-8142
Published:December 20, 2014
Updated:May 16, 2026
Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.36, 5.5.x before 5.5.20, and 5.6.x before 5.6.4 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages improper handling of duplicate keys within the serialized properties of an object, a different vulnerability than CVE-2004-1019.
Related Resources (19)
http://marc.info/?l=bugtraq&m=143748090628601&w=2
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00029.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2014-8142
https://security.gentoo.org/glsa/201503-03
http://www.debian.org/security/2014/dsa-3117
http://php.net/ChangeLog-5.php
http://rhn.redhat.com/errata/RHSA-2015-1053.html
http://lists.opensuse.org/opensuse-updates/2015-02/msg00079.html
http://marc.info/?l=bugtraq&m=144050155601375&w=2
https://bugzilla.redhat.com/show_bug.cgi?id=1175718
http://rhn.redhat.com/errata/RHSA-2015-1135.html
http://marc.info/?l=bugtraq&m=143403519711434&w=2
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
https://access.redhat.com/security/cve/CVE-2014-8142
http://rhn.redhat.com/errata/RHSA-2015-1066.html
http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
https://bugs.php.net/bug.php?id=68594
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=630f9c33c23639de85c3fd306b209b538b73b4c9
http://www.securityfocus.com/bid/71791
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CVSS v3
Base Score:
7.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
CVSS v2
Base Score:
7.5
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
EPSS
Base Score:
88.25