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Case File

CVE-2016-4864

HIGH · CVSS 7.5 EPSS 1.80% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-05-12 · 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

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

CVE
CVE-2016-4864
Severity
HIGH
CVSS
7.5
EPSS
1.80%

Original NVD Description

H2O versions 2.0.3 and earlier and 2.1.0-beta2 and earlier allows remote attackers to cause a denial-of-service (DoS) via format string specifiers in a template file via fastcgi, mruby, proxy, redirect or reproxy.

Related CVEs

Other vulnerabilities affecting the same vendor(s)