---
title: "CVE-2019-17595\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2019-17595?format=md
keywords: index, follow
---

# CVE-2019-17595

Publication date 14 October 2019

Last updated 25 August 2025

---

Ubuntu priority

**Negligible**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**5.4 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2019-17595?format=md#impact-score)

Toggle side navigation

## Description

There is a heap-based buffer over-read in the fmt\_entry function in
tinfo/comp\_hash.c in the terminfo library in ncurses before 6.1-20191012.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2019-17595?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| ncurses | 23.04 lunar | Fixed 6.1+20191019-1ubuntu1 |
| 22.10 kinetic | Fixed 6.1+20191019-1ubuntu1 |
| 22.04 LTS jammy | Fixed 6.1+20191019-1ubuntu1 |
| 21.10 impish | Fixed 6.1+20191019-1ubuntu1 |
| 21.04 hirsute | Fixed 6.1+20191019-1ubuntu1 |
| 20.10 groovy | Fixed 6.1+20191019-1ubuntu1 |
| 20.04 LTS focal | Fixed 6.1+20191019-1ubuntu1 |
| 19.10 eoan | Ignored end of life |
| 19.04 disco | Ignored end of life |
| 18.04 LTS bionic | Fixed 6.1-1ubuntu1.18.04.1 |
| 16.04 LTS xenial | Fixed 6.0+20160213-1ubuntu1+esm2  Ubuntu Pro |
| 14.04 LTS trusty | Fixed 5.9+20140118-1ubuntu1+esm2  Ubuntu Pro |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

### Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

[Get Ubuntu Pro](https://ubuntu.com/pro)
[30-day free trial](https://ubuntu.com/pro/free-trial)

## Notes

---

### [mdeslaur](https://launchpad.net/~mdeslaur)

DoS only

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

5.4 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | Required |
  | Scope | Unchanged |
  | Confidentiality impact | Low |
  | Integrity impact | None |
  | Availability impact | Low |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 5.4 · Medium |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17595)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-17595)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-17595)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2019-17595)

### Related Ubuntu Security Notices (USN)

+ [USN-5477-1](https://usn.ubuntu.com/USN-5477-1)
+ ncurses vulnerabilities
+ 14 June 2022

+ [USN-6099-1](https://usn.ubuntu.com/USN-6099-1)
+ ncurses vulnerabilities
+ 23 May 2023

### Other references

* <https://lists.gnu.org/archive/html/bug-ncurses/2019-10/msg00013.html>
* <https://lists.gnu.org/archive/html/bug-ncurses/2019-10/msg00045.html>
* <https://www.cve.org/CVERecord?id=CVE-2019-17595>