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CVE-2015-0231

Published: 27 January 2015

Use-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.

Notes

AuthorNote
mdeslaur
incomplete fix of CVE-2014-8142

Priority

Low

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
upstream Needs triage

lucid Not vulnerable
(5.3.2-1ubuntu4.28)
precise
Released (5.3.10-1ubuntu3.16)
trusty
Released (5.5.9+dfsg-1ubuntu4.6)
utopic
Released (5.5.12+dfsg-2ubuntu4.2)
Patches:
upstream: http://git.php.net/?p=php-src.git;a=commit;h=b585a3aed7880a5fa5c18e2b838fc96f40e075bd