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Case File

CVE-2016-6870

CRITICAL · CVSS 9.8 EPSS 2.21% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-02-17 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

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

GitHub PoC Links
github.com ↗

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

CVE
CVE-2016-6870
Severity
CRITICAL
CVSS
9.8
EPSS
2.21%

Original NVD Description

Out-of-bounds write in the (1) mb_detect_encoding, (2) mb_send_mail, and (3) mb_detect_order functions in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.