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Vulnerability record · CVE-2017-11113 · published 8 July 2017

CVE-2017-11113: Invisible-island ncurses null pointer dereference vulnerability

Invisible Island · Ncurses

In ncurses 6.0, there is a NULL Pointer Dereference in the _nc_parse_entry 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 2.4% · top 16.7% CWE-476 · NULL pointer dereference
7.5CVSS 3.0 base score, v2 5.0
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
23 Jul 2026Last modified by NVD

Description

In ncurses 6.0, there is a NULL Pointer Dereference in the _nc_parse_entry 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=1464691 ExploitIssue TrackingThird Party Advisory
https://security.gentoo.org/glsa/201804-13 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1464691 ExploitIssue TrackingThird Party Advisory
https://security.gentoo.org/glsa/201804-13 Third Party Advisory

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Related vulnerabilities

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

9.8CVE-2017-10684Invisible-island ncurses memory buffer overflow vulnerabilityIn ncurses 6.0, there is a stack-based buffer overflow in the fmt_entry function. A crafted input will lead to a remote arbitrary code execution atta…EPSS 4.9%9.8CVE-2017-10685Invisible-island ncurses vulnerabilityIn ncurses 6.0, there is a format string vulnerability in the fmt_entry function. A crafted input will lead to a remote arbitrary code execution atta…EPSS 4.3%8.8CVE-2021-39537Invisible-island ncurses out-of-bounds write vulnerabilityAn issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.EPSS 3.2%7.8CVE-2025-69720Invisible-island ncurses stack-based buffer overflow vulnerabilityThe infocmp command-line tool in ncurses before 6.5-20251213 has a stack-based buffer overflow in analyze_string in progs/infocmp.c.EPSS 0.45%7.8CVE-2023-29491Invisible-island ncurses out-of-bounds write vulnerabilityncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevant memory corruption via malformed data …EPSS 0.93%7.8CVE-2017-16879Invisible-island ncurses out-of-bounds write vulnerabilityStack-based buffer overflow in the _nc_write_entry function in tinfo/write_entry.c in ncurses 6.0 allows attackers to cause a denial of service (appl…EPSS 2.4%7.5CVE-2017-13728Invisible-island ncurses vulnerabilityThere is an infinite loop in the next_char function in comp_scan.c in ncurses 6.0, related to libtic. A crafted input will lead to a remote denial of…EPSS 3.9%7.5CVE-2017-11112Invisible-island ncurses improper input validation vulnerabilityIn 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 o…EPSS 2.2%

Source: NIST National Vulnerability Database (record CVE-2017-11113), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.