AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2018-20453

MEDIUM · CVSS 6.5 EPSS 0.94% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-12-25 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. Public exploit code or proof-of-concept references have been detected in its references. It may lead to a denial-of-service condition.

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-2018-20453
Severity
MEDIUM
CVSS
6.5
EPSS
0.94%

Original NVD Description

The getlong function in numutils.c in libdoc through 2017-10-23 has a heap-based buffer over-read that allows attackers to cause a denial of service (application crash) via a crafted file.

Related CVEs

Other vulnerabilities affecting the same vendor(s)