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Case File

CVE-2019-19977

CRITICAL · CVSS 9.8 EPSS 3.06% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-12-26 · 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-2019-19977
Severity
CRITICAL
CVSS
9.8
EPSS
3.06%

Original NVD Description

libESMTP through 1.0.6 mishandles domain copying into a fixed-size buffer in ntlm_build_type_2 in ntlm/ntlmstruct.c, as demonstrated by a stack-based buffer over-read.