CVE-2015-0231

NameCVE-2015-0231
DescriptionUse-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.37, 5.5.x before 5.5.21, and 5.6.x before 5.6.5 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages improper handling of duplicate numerical keys within the serialized properties of an object. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-8142.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-3195-1

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php5sourcesqueeze(not affected)
php5sourcewheezy5.4.38-0+deb7u1DSA-3195-1
php5source(unstable)5.6.5+dfsg-1

Notes

[squeeze] - php5 <not-affected> (Broken patch for CVE-2014-8142 never applied)
https://bugs.php.net/bug.php?id=68710
Upstream fix: https://github.com/php/php-src/commit/b585a3aed7880a5fa5c18e2b838fc96f40e075bd
in unstable actually incomplete fix was not yet applied, so n/a but wheezy is
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