VULNERABILITY INTELLIGENCE
CVE-2015-0231
CVSS score7.5 HIGH
EPSS probability44.45%
CISA KEVNot currently listed
Published2015-01-27
Last modified2026-06-17
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P
Description
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.