CVE-2014-8142
Description
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.
Official description from the CVE record, published by redhat. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
EPSS
- Score
- 0.55065 (55.1% probability)
- Percentile
- 99.0%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
References
- 71791 (securityfocus.com)vdb-entry
- bugzilla.redhat.com/show_bug.cgi?id=1175718
- HPSBMU03409 (marc.info)vendor-advisory
- SUSE-SU-2015:0365 (lists.opensuse.org)vendor-advisory
- HPSBMU03380 (marc.info)vendor-advisory
- oracle.com/technetwork/topics/security/linuxbulletinjan2016…
- git.php.net/?p=php-src.git%3Ba=commit%3Bh=630f9c33c23639de8…
- SSRT102066 (marc.info)vendor-advisory
- php.net/ChangeLog-5.php
- openSUSE-SU-2015:0325 (lists.opensuse.org)vendor-advisory
- DSA-3117 (debian.org)vendor-advisory
- oracle.com/technetwork/topics/security/bulletinjan2015-2370…
- RHSA-2015:1135 (rhn.redhat.com)vendor-advisory
- bugs.php.net/bug.php?id=68594
- RHSA-2015:1053 (rhn.redhat.com)vendor-advisory
- GLSA-201503-03 (security.gentoo.org)vendor-advisory
- RHSA-2015:1066 (rhn.redhat.com)vendor-advisory
Timeline
- ID reserved
- Record published
- Record last updated
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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:46 UTC. Sources and licenses