---
title: "CVE-2019-14847\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-2019-14847?format=md
keywords: index, follow
---

# CVE-2019-14847

Publication date 29 October 2019

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**4.9 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2019-14847?format=md#impact-score)

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## Description

A flaw was found in samba 4.0.0 before samba 4.9.15 and samba 4.10.x before
4.10.10. An attacker can crash AD DC LDAP server via dirsync resulting in
denial of service. Privilege escalation is not possible with this issue.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| samba | 19.10 eoan | Fixed 2:4.10.7+dfsg-0ubuntu2.2 |
| 19.04 disco | Fixed 2:4.10.0+dfsg-0ubuntu2.6 |
| 18.04 LTS bionic | Fixed 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 |
| 16.04 LTS xenial | Fixed 2:4.3.11+dfsg-0ubuntu0.16.04.23 |
| 14.04 LTS trusty | Fixed 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm3  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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## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

4.9 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 4.9 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14847)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-14847)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-14847)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2019-14847)

### Related Ubuntu Security Notices (USN)

+ [USN-4167-2](https://usn.ubuntu.com/USN-4167-2)
+ Samba vulnerabilities
+ 29 October 2019

+ [USN-4167-1](https://usn.ubuntu.com/USN-4167-1)
+ Samba vulnerabilities
+ 29 October 2019

### Other references

* <https://www.samba.org/samba/security/CVE-2019-14847.html>
* <https://www.cve.org/CVERecord?id=CVE-2019-14847>