---
title: "CVE-2019-5188\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-2019-5188?format=md
keywords: index, follow
---

# CVE-2019-5188

Publication date 8 January 2020

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**6.7 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2019-5188?format=md#impact-score)

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## Description

A code execution vulnerability exists in the directory rehashing
functionality of E2fsprogs e2fsck 1.45.4. A specially crafted ext4
directory can cause an out-of-bounds write on the stack, resulting in code
execution. An attacker can corrupt a partition to trigger this
vulnerability.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| e2fsprogs | 19.10 eoan | Fixed 1.45.3-4ubuntu2.1 |
| 19.04 disco | Fixed 1.44.6-1ubuntu0.2 |
| 18.04 LTS bionic | Fixed 1.44.1-1ubuntu1.3 |
| 16.04 LTS xenial | Fixed 1.42.13-1ubuntu1.2 |
| 14.04 LTS trusty | Fixed 1.42.9-3ubuntu1.3+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)
* [Patch details](https://ubuntu.com/security/CVE-2019-5188?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 |
| --- | --- |
| e2fsprogs | * Upstream:   [?id=8dd](https://git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git/commit/?id=8dd73c149f418238f19791f9d666089ef9734dff) * Upstream:   [?id=71b](https://git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git/commit/?id=71ba13755337e19c9a826dfc874562a36e1b24d3) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

6.7 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 6.7 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5188)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-5188)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-5188)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2019-5188)

### Related Ubuntu Security Notices (USN)

+ [USN-4249-1](https://usn.ubuntu.com/USN-4249-1)
+ e2fsprogs vulnerability
+ 23 January 2020

### Other references

* <https://talosintelligence.com/vulnerability_reports/TALOS-2019-0973>
* <https://www.cve.org/CVERecord?id=CVE-2019-5188>