---
title: "CVE-2018-10919\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-2018-10919?format=md
keywords: index, follow
---

# CVE-2018-10919

Publication date 14 August 2018

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**6.5 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2018-10919?format=md#impact-score)

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## Description

The Samba Active Directory LDAP server was vulnerable to an information
disclosure flaw because of missing access control checks. An authenticated
attacker could use this flaw to extract confidential attribute values using
LDAP search expressions. Samba versions before 4.6.16, 4.7.9 and 4.8.4 are
vulnerable.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| samba | 18.04 LTS bionic | Fixed 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 |
| 16.04 LTS xenial | Fixed 2:4.3.11+dfsg-0ubuntu0.16.04.15 |
| 14.04 LTS trusty | Fixed 2:4.3.11+dfsg-0ubuntu0.14.04.16 |

---

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

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

6.5 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 6.5 · Medium |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10919)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-10919)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-10919)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2018-10919)

### Related Ubuntu Security Notices (USN)

+ [USN-3738-1](https://usn.ubuntu.com/USN-3738-1)
+ Samba vulnerabilities
+ 14 August 2018

### Other references

* <https://www.samba.org/samba/security/CVE-2018-10919.html>
* <https://www.cve.org/CVERecord?id=CVE-2018-10919>