---
title: "CVE-2018-12183\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-2018-12183?format=md
keywords: index, follow
---

# CVE-2018-12183

Publication date 27 March 2019

Last updated 25 August 2025

---

Ubuntu priority

**Low**

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

## Cvss 3 Severity Score

**6.8 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2018-12183?format=md#impact-score)

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## Description

Stack overflow in DxeCore for EDK II may allow an unauthenticated user to
potentially enable escalation of privilege, information disclosure and/or
denial of service via local access.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| edk2 | 24.04 LTS noble | Not affected |
| 23.10 mantic | Not affected |
| 23.04 lunar | Not affected |
| 22.10 kinetic | Not affected |
| 22.04 LTS jammy | Not affected |
| 21.10 impish | Not affected |
| 21.04 hirsute | Not affected |
| 20.10 groovy | Not affected |
| 20.04 LTS focal | Not affected |
| 19.10 eoan | Not affected |
| 19.04 disco | Not affected |
| 18.10 cosmic | Ignored end of life |
| 18.04 LTS bionic | Fixed 0~20180205.c0d9813c-2ubuntu0.3+esm1  Ubuntu Pro |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |

---

* [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-2018-12183?format=md#patch-details)

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### 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 |
| --- | --- |
| edk2 | * Upstream:   [0a0d529](https://github.com/tianocore/edk2/commit/0a0d5296e448fc350de1594c49b9c0deff7fad60) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

6.8 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Physical |
  | 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 | 6.8 · Medium |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.0/AV:P/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-2018-12183)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-12183)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-12183)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2018-12183)

### Related Ubuntu Security Notices (USN)

+ [USN-6920-1](https://usn.ubuntu.com/USN-6920-1)
+ EDK II vulnerabilities
+ 29 July 2024

### Other references

* <https://edk2-docs.gitbooks.io/security-advisory/content/unlimited-fv-recursion.html>
* <https://www.cve.org/CVERecord?id=CVE-2018-12183>