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Case File

CVE-2015-0231

HIGH · CVSS 7.5 EPSS 42.59% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2015-01-27 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2015-0231
Severity
HIGH
CVSS
7.5
EPSS
42.59%

Original Filing — NVD 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.