---
title: "CVE-2023-4532\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-2023-4532?format=md
keywords: index, follow
---

# CVE-2023-4532

Publication date 29 September 2023

Last updated 26 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**4.3 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2023-4532?format=md#impact-score)

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## Description

An issue has been discovered in GitLab affecting all versions starting from
16.2 before 16.2.8, all versions starting from 16.3 before 16.3.5, all
versions starting from 16.4 before 16.4.1. Users were capable of linking
CI/CD jobs of private projects which they are not a member of.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2023-4532?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| gitlab | 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 16.04 LTS xenial | Ignored |

---

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

## Notes

---

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

GitLab isn't maintainable as a distro package, and was removed
from Ubuntu because of this. We will not be fixing security
issues in the gitlab package in Xenial.

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

4.3 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 4.3 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4532)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2023-4532)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2023-4532)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2023-4532)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2023-4532>