---
title: "CVE-2025-69720\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-2025-69720?format=md
keywords: index, follow
---

# CVE-2025-69720

Publication date 19 March 2026

Last updated 8 July 2026

---

Ubuntu priority

**Low**

[Why this priority?](https://ubuntu.com/security/CVE-2025-69720?format=md#priority-reason )

## Cvss 3 Severity Score

**9.8 · Critical**

[Score breakdown](https://ubuntu.com/security/CVE-2025-69720?format=md#impact-score)

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## Description

The infocmp command-line tool in ncurses before 6.5-20251213 has a
stack-based buffer overflow in analyze\_string in progs/infocmp.c.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2025-69720?format=md#notes)

### Why is this CVE low priority?

This is just a crash in a command line tool

[Learn more about Ubuntu priority](https://ubuntu.com/security/cves/about#priority)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| ncurses | 26.04 LTS resolute | Not affected |
| 25.10 questing | Fixed 6.5+20250216-2ubuntu0.1 |
| 24.04 LTS noble | Fixed 6.4+20240113-1ubuntu2.1 |
| 22.04 LTS jammy | Fixed 6.3-2ubuntu0.2 |
| 20.04 LTS focal | Fixed 6.2-0ubuntu2.1+esm1  Ubuntu Pro |
| 18.04 LTS bionic | Fixed 6.1-1ubuntu1.18.04.1+esm3  Ubuntu Pro |
| 16.04 LTS xenial | Fixed 6.0+20160213-1ubuntu1+esm6  Ubuntu Pro |
| 14.04 LTS trusty | Fixed 5.9+20140118-1ubuntu1+esm6  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)

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## Notes

---

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

In Ubuntu, compiler hardening restricts this to a denial of
service only, so this is just a crash in a command-line tool.

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

9.8 · Critical

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 9.8 · Critical |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-69720)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2025-69720)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2025-69720)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2025-69720)

### Related Ubuntu Security Notices (USN)

+ [USN-8503-1](https://usn.ubuntu.com/USN-8503-1)
+ ncurses vulnerability
+ 2 July 2026

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2025-69720>
* <https://github.com/Cao-Wuhui/CVE-2025-69720>
* <https://marc.info/?l=ncurses-bug&m=176539968328570&w=2>
* <https://marc.info/?l=ncurses-bug&m=176540731801330&w=2>
* <https://marc.info/?l=ncurses-bug&m=176545557728083&w=2>