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Case File

CVE-2019-18224

CRITICAL · CVSS 9.8 EPSS 3.71% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-10-21 · 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 ↗ github.com ↗

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

CVE
CVE-2019-18224
Severity
CRITICAL
CVSS
9.8
EPSS
3.71%

Original NVD Description

idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.