---
title: "CVE-2023-28486\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-2023-28486?format=md
keywords: index, follow
---

# CVE-2023-28486

Publication date 16 March 2023

Last updated 18 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**5.3 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2023-28486?format=md#impact-score)

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## Description

Sudo before 1.9.13 does not escape control characters in log messages.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2023-28486?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| sudo | 26.04 LTS resolute | Fixed 1.9.13p1-1ubuntu2 |
| 25.10 questing | Fixed 1.9.13p1-1ubuntu2 |
| 25.04 plucky | Fixed 1.9.13p1-1ubuntu2 |
| 24.10 oracular | Fixed 1.9.13p1-1ubuntu2 |
| 24.04 LTS noble | Fixed 1.9.13p1-1ubuntu2 |
| 23.10 mantic | Fixed 1.9.13p1-1ubuntu2 |
| 23.04 lunar | Fixed 1.9.13p1-1ubuntu2 |
| 22.10 kinetic | Fixed 1.9.11p3-1ubuntu1.3 |
| 22.04 LTS jammy | Fixed 1.9.9-1ubuntu2.4 |
| 20.04 LTS focal | Fixed 1.8.31-1ubuntu1.5 |
| 18.04 LTS bionic | Fixed 1.8.21p2-3ubuntu1.6 |
| 16.04 LTS xenial | Fixed 1.8.16-0ubuntu1.10+esm2  Ubuntu Pro |
| 14.04 LTS trusty | Vulnerable |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2023-28486?format=md#patch-details)

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## Notes

---

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

second commit fixes regression

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| sudo | * Upstream:   [334daf9](https://github.com/sudo-project/sudo/commit/334daf92b31b79ce68ed75e2ee14fca265f029ca) * Upstream:   [12648b4](https://github.com/sudo-project/sudo/commit/12648b4e0a8cf486480442efd52f0e0b6cab6e8b) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

5.3 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 5.3 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28486)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2023-28486)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2023-28486)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2023-28486)

### Related Ubuntu Security Notices (USN)

+ [USN-6005-1](https://usn.ubuntu.com/USN-6005-1)
+ Sudo vulnerabilities
+ 11 April 2023

+ [USN-6005-2](https://usn.ubuntu.com/USN-6005-2)
+ Sudo vulnerabilities
+ 29 May 2023

### Other references

* <https://github.com/sudo-project/sudo/releases/tag/SUDO_1_9_13>
* <https://www.cve.org/CVERecord?id=CVE-2023-28486>