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Vulnerability record · CVE-2017-13728 · published 29 August 2017

CVE-2017-13728: Invisible-island ncurses vulnerability

Invisible Island · Ncurses

There 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 service attack.

7.5 CVSS 3.0 High EPSS 3.9% · top 10.1% CWE-835 · CWE-835
7.5CVSS 3.0 base score, v2 4.3
3.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 2 tagged exploit
23 Jul 2026Last modified by NVD

Description

There 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 service attack.

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=1484274 ExploitIssue TrackingThird Party AdvisoryVDB Entry
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.ap
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.ap
https://security.gentoo.org/glsa/201804-13
https://bugzilla.redhat.com/show_bug.cgi?id=1484274 ExploitIssue TrackingThird Party AdvisoryVDB Entry
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.ap
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.ap
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-2017-13728), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.