AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2017-12933

CRITICAL · CVSS 9.8 EPSS 6.94% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-08-18 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references.

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-2017-12933
Severity
CRITICAL
CVSS
9.8
EPSS
6.94%

Original NVD Description

The finish_nested_data function in ext/standard/var_unserializer.re in PHP before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 is prone to a buffer over-read while unserializing untrusted data. Exploitation of this issue can have an unspecified impact on the integrity of PHP.

Related CVEs

Other vulnerabilities affecting the same vendor(s)