---
id: CVE-2017-11112
title: >-
  In ncurses 6.0, there is an attempted 0xffffffffffffffff access in the
  append_acs function of tinfo/parse_entry.c
summary: >-
  In ncurses 6.0, there is an attempted 0xffffffffffffffff access in the
  append_acs function of tinfo/parse_entry.c. It could lead to a remote denial
  of service attack if the terminfo library code is used to process untrusted
  terminfo data.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-20
vendor: invisible-island
product: ncurses
affected:
  - ncurses = 6.0
published: '2017-07-08'
updated: '2026-07-23'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2017-11112'
references:
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=1464686'
    label: cve@mitre.org
  - url: 'https://security.gentoo.org/glsa/201804-13'
    label: cve@mitre.org
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=1464686'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://security.gentoo.org/glsa/201804-13'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.0223
epssPercentile: 0.81999
ingestedAt: '2026-07-23T19:19:12.823Z'
---

## Overview

In ncurses 6.0, there is an attempted 0xffffffffffffffff access in the append_acs function of tinfo/parse_entry.c. It could lead to a remote denial of service attack if the terminfo library code is used to process untrusted terminfo data.

## Affected

- `ncurses = 6.0`

## Remediation

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