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Case File

CVE-2017-12934

HIGH · CVSS 7.5 EPSS 3.63% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-08-18 · 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.

Detected Signals
exploit

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

CVE
CVE-2017-12934
Severity
HIGH
CVSS
7.5
EPSS
3.63%

Original Filing — NVD Description

ext/standard/var_unserializer.re in PHP 7.0.x before 7.0.21 and 7.1.x before 7.1.7 is prone to a heap use after free while unserializing untrusted data, related to the zval_get_type function in Zend/zend_types.h. Exploitation of this issue can have an unspecified impact on the integrity of PHP.