---
id: CVE-2018-19211
title: >-
  In ncurses 6.1, there is a NULL pointer dereference at function
  _nc_parse_entry in parse_entry.c that will lead to a denial of service attack
summary: >-
  In ncurses 6.1, there is a NULL pointer dereference at function
  _nc_parse_entry in parse_entry.c that will lead to a denial of service attack.
  The product proceeds to the dereference code path even after a "dubious
  character `*' in name …
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cwe:
  - CWE-476
vendor: invisible-island
product: ncurses
affected:
  - ncurses = 6.1
published: '2018-11-12'
updated: '2026-07-23'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2018-19211'
references:
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=1643754'
    label: cve@mitre.org
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=1643754'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.01361
epssPercentile: 0.70102
ingestedAt: '2026-07-23T19:19:13.063Z'
---

## Overview

In ncurses 6.1, there is a NULL pointer dereference at function _nc_parse_entry in parse_entry.c that will lead to a denial of service attack. The product proceeds to the dereference code path even after a "dubious character `*' in name or alias field" detection.

## Affected

- `ncurses = 6.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.