---
title: "CVE-2017-2619\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-2017-2619?format=md
keywords: index, follow
---

# CVE-2017-2619

Publication date 23 March 2017

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**7.5 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2017-2619?format=md#impact-score)

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## Description

Samba before versions 4.6.1, 4.5.7 and 4.4.11 are vulnerable to a malicious
client using a symlink race to allow access to areas of the server file
system not exported under the share definition.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| samba | 17.04 zesty | Fixed 2:4.5.8+dfsg-0ubuntu0.17.04.1 |
| 16.10 yakkety | Fixed 2:4.4.5+dfsg-2ubuntu5.4 |
| 16.04 LTS xenial | Fixed 2:4.3.11+dfsg-0ubuntu0.16.04.5 |
| 14.04 LTS trusty | Fixed 2:4.3.11+dfsg-0ubuntu0.14.04.6 |
| 12.04 LTS precise | Fixed 2:3.6.25-0ubuntu0.12.04.9 |
| samba4 | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Ignored end of life |

---

* [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**

7.5 · High

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.5 · High |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2619)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2017-2619)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2017-2619)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2017-2619)

### Related Ubuntu Security Notices (USN)

+ [USN-3242-1](https://usn.ubuntu.com/USN-3242-1)
+ Samba vulnerability
+ 23 March 2017

+ [USN-3267-1](https://usn.ubuntu.com/USN-3267-1)
+ Samba vulnerability
+ 25 April 2017

### Other references

* <https://www.samba.org/samba/security/CVE-2017-2619.html>
* <https://www.cve.org/CVERecord?id=CVE-2017-2619>