CVE-2014-8142

NameCVE-2014-8142
DescriptionUse-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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-3117-1

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php5sourcewheezy5.4.36-0+deb7u1DSA-3117-1
php5source(unstable)5.6.5+dfsg-1unimportant

Notes

https://git.php.net/?p=php-src.git;a=commitdiff;h=630f9c33c23639de85c3fd306b209b538b73b4c9
https://git.php.net/?p=php-src.git;a=commitdiff;h=53f129a44d3c4ec0fae57993b9ae2f6cb48973cc
Only affects an inherently insecure use case

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