---
id: CVE-2020-19187
title: >-
  Buffer Overflow vulnerability in fmt_entry function in progs/dump_entry.c:1100
  in ncurses 6.1 allows remote attackers to cause a denial of service via
  crafted command.
summary: >-
  Buffer Overflow vulnerability in fmt_entry function in progs/dump_entry.c:1100
  in ncurses 6.1 allows remote attackers to cause a denial of service via
  crafted command.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cwe:
  - CWE-787
vendor: invisible-island
product: ncurses
affected:
  - ncurses = 6.1
  - active_iq_unified_manager
published: '2023-08-22'
updated: '2026-07-23'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2020-19187'
references:
  - url: 'http://seclists.org/fulldisclosure/2023/Dec/10'
    label: cve@mitre.org
  - url: 'http://seclists.org/fulldisclosure/2023/Dec/11'
    label: cve@mitre.org
  - url: 'http://seclists.org/fulldisclosure/2023/Dec/9'
    label: cve@mitre.org
  - url: 'https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc3.md'
    label: cve@mitre.org
  - url: 'https://security.netapp.com/advisory/ntap-20231006-0005/'
    label: cve@mitre.org
  - url: 'https://support.apple.com/kb/HT214036'
    label: cve@mitre.org
  - url: 'https://support.apple.com/kb/HT214037'
    label: cve@mitre.org
  - url: 'https://support.apple.com/kb/HT214038'
    label: cve@mitre.org
  - url: 'http://seclists.org/fulldisclosure/2023/Dec/10'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://seclists.org/fulldisclosure/2023/Dec/11'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://seclists.org/fulldisclosure/2023/Dec/9'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc3.md'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://security.netapp.com/advisory/ntap-20231006-0005/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://support.apple.com/kb/HT214036'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://support.apple.com/kb/HT214037'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://support.apple.com/kb/HT214038'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.01753
epssPercentile: 0.76936
ingestedAt: '2026-07-23T19:19:13.183Z'
---

## Overview

Buffer Overflow vulnerability in fmt_entry function in progs/dump_entry.c:1100 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.

## Affected

- `ncurses = 6.1`
- `active_iq_unified_manager`

## Remediation

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