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    CVE-2014-8142

    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.

    Published:Dec 18, 2014
    Last Modified:Apr 12, 2025
    EPS:Dec 20, 2014
    EPSS Score:0.87325
    CVSS Score:7.5

    Affected Products

    Vendor
    Php
    Product
    Php
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Software Collections

    Exploits

    https://bugs.php.net/bug.php?id=68594https://bugs.php.net/bug.php?id=68594https://github.com/3xp10it/php_cve-2014-8142_cve-2015-0231

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-14355 (CVSS 5.6) — In PHP versions 8.2.* before 8.2.32, 8.3.* before 8.3.32, 8.4.* before 8.4.23, 8.5.* before 8.5.8, the AES-WRA…
    CVE-2026-7263 (CVSS 6.3) — In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, DOMNode::C14N() method may process the XML data in…
    CVE-2026-6104 (CVSS 6.3) — In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, when an encoding name containing an embedded NUL b…
    CVE-2026-7258 (CVSS 6.3) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, some fu…
    CVE-2026-6722 (CVSS 9.5) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the SOA…
    CVE-2026-7259 (CVSS 2.1) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, a misma…
    CVE-2026-7261 (CVSS 6.3) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, when So…
    CVE-2026-7262 (CVSS 2.9) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, when a …
    CVE-2025-14179 (CVSS 7.4) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the PDO…
    CVE-2026-7568 (CVSS 6.3) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the met…

    References

    http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=630f9c33c23639de85c3fd306b209b538b73b4c9
    http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00029.html
    http://lists.opensuse.org/opensuse-updates/2015-02/msg00079.html
    http://marc.info/?l=bugtraq&m=143403519711434&w=2
    http://marc.info/?l=bugtraq&m=143748090628601&w=2
    http://marc.info/?l=bugtraq&m=144050155601375&w=2
    http://php.net/ChangeLog-5.php
    http://rhn.redhat.com/errata/RHSA-2015-1053.html
    http://rhn.redhat.com/errata/RHSA-2015-1066.html
    http://rhn.redhat.com/errata/RHSA-2015-1135.html
    http://www.debian.org/security/2014/dsa-3117
    http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
    http://www.securityfocus.com/bid/71791
    https://bugs.php.net/bug.php?id=68594
    https://bugzilla.redhat.com/show_bug.cgi?id=1175718
    https://security.gentoo.org/glsa/201503-03
    http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=630f9c33c23639de85c3fd306b209b538b73b4c9
    http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00029.html
    http://lists.opensuse.org/opensuse-updates/2015-02/msg00079.html
    http://marc.info/?l=bugtraq&m=143403519711434&w=2
    http://marc.info/?l=bugtraq&m=143748090628601&w=2
    http://marc.info/?l=bugtraq&m=144050155601375&w=2
    http://php.net/ChangeLog-5.php
    http://rhn.redhat.com/errata/RHSA-2015-1053.html
    http://rhn.redhat.com/errata/RHSA-2015-1066.html
    http://rhn.redhat.com/errata/RHSA-2015-1135.html
    http://www.debian.org/security/2014/dsa-3117
    http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
    http://www.securityfocus.com/bid/71791
    https://bugs.php.net/bug.php?id=68594
    https://bugzilla.redhat.com/show_bug.cgi?id=1175718
    https://security.gentoo.org/glsa/201503-03

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High