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Vulnerability record · CVE-2017-11112 · published 8 July 2017

CVE-2017-11112: Invisible-island ncurses improper input validation vulnerability

Invisible Island · Ncurses

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.

7.5 CVSS 3.0 High EPSS 2.2% · top 17.9% CWE-20 · Improper input validation
7.5CVSS 3.0 base score, v2 5.0
2.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
23 Jul 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=1464686 Issue Tracking
https://security.gentoo.org/glsa/201804-13
https://bugzilla.redhat.com/show_bug.cgi?id=1464686 Issue Tracking
https://security.gentoo.org/glsa/201804-13

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-11112), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.