CVE-2017-7520

Publication date 21 June 2017

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.4 · High

Score breakdown

Description

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker.

Status

Package Ubuntu Release Status
openvpn 17.04 zesty
Fixed 2.4.0-4ubuntu1.3
16.10 yakkety
Fixed 2.3.11-1ubuntu2.1
16.04 LTS xenial
Fixed 2.3.10-1ubuntu2.1
14.04 LTS trusty
Fixed 2.3.2-7ubuntu3.2

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
openvpn

Severity score breakdown

Parameter Value
Base score 7.4 · High
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references