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No exploitation reportedFix available

CVE-2017-13731

No exploitation reported by the sources we read.

  • Published2017-08-29
  • WeaknessCWE-119

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

There is an illegal address access in the function postprocess_termcap() in parse_entry.c in ncurses 6.0 that will lead to a remote denial of service attack.

Timeline

dates in UTC
  1. 2017-08-2906:29CVE publishedNVD

Versions per branch

NVD
Invisible-island ncurses
BranchAffectedFixed in
6.0= 6.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • ncursesUbuntu:Pro:16.04:LTSall versions · fixed in 6.0+20160213-1ubuntu1+esm1
  • ncursesUbuntu:Pro:14.04:LTSall versions · fixed in 5.9+20140118-1ubuntu1+esm1
  • ncursesSUSE:Linux Enterprise Software Development Kit 12 SP3all versions · fixed in 5.9-55.1
  • ncursesSUSE:Linux Enterprise Software Development Kit 12 SP3all versions · fixed in 5.9-58.1
  • ncursesSUSE:Linux Enterprise Software Development Kit 12 SP2all versions · fixed in 5.9-55.1
  • ncursesSUSE:Linux Enterprise Software Development Kit 12 SP2all versions · fixed in 5.9-58.1
  • ncursesSUSE:Linux Enterprise Software Development Kit 11 SP4all versions · fixed in 5.6-93.12.1
  • ncursesSUSE:Linux Enterprise Server for SAP Applications 12 SP3all versions · fixed in 5.9-55.1

23 more package ranges on OSV.dev

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
2017-08-29
Last Modified
2026-07-23
NVD status
Modified
GitHub Advisory
GHSA-f89p-gvj2-883g

Frequently asked questions

What is CVE-2017-13731?

There is an illegal address access in the function postprocess_termcap() in parse_entry.c in ncurses 6.0 that will lead to a remote denial of service attack.

Is CVE-2017-13731 actively exploited?

Active exploitation of CVE-2017-13731 has not been confirmed. Its EPSS score was 2.9% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-13731?

CVE-2017-13731 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

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