CVE-2017-7508

Publication date 21 June 2017

Last updated 25 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service when receiving malformed IPv6 packet.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
openvpn	17.10 artful	Fixed 2.4.0-5ubuntu2
	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

Notes

leosilva

same as debian wheezy for precise-esm it's not affected

Patch details

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

Package	Patch details
openvpn	Upstream: c3f4707 Upstream: ed28cde Upstream: fc61d1b

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

Base metrics

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

Scores

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

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

References

Related Ubuntu Security Notices (USN)

USN-3339-1
OpenVPN vulnerabilities
22 June 2017

Other references

Access our resources on patching vulnerabilities