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Case File

CVE-2020-19861

HIGH · CVSS 7.5 EPSS 1.49% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-01-21 · 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 ↗

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

CVE
CVE-2020-19861
Severity
HIGH
CVSS
7.5
EPSS
1.49%

Original NVD Description

When a zone file in ldns 1.7.1 is parsed, the function ldns_nsec3_salt_data is too trusted for the length value obtained from the zone file. When the memcpy is copied, the 0xfe - ldns_rdf_size(salt_rdf) byte data can be copied, causing heap overflow information leakage.