CVE-2024-5594

Publication date 25 June 2024

Last updated 26 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.1 · Critical

Score breakdown

Description

OpenVPN before 2.6.11 does not santize PUSH_REPLY messages properly which an attacker controlling the server can use to inject unexpected arbitrary data ending up in client logs.

Status

Package Ubuntu Release Status
openvpn 24.10 oracular
Fixed 2.6.11-1ubuntu1
24.04 LTS noble
Fixed 2.6.9-1ubuntu4.1
23.10 mantic
Fixed 2.6.5-0ubuntu1.2
22.04 LTS jammy
Fixed 2.5.9-0ubuntu0.22.04.3
20.04 LTS focal
Fixed 2.4.12-0ubuntu0.20.04.2
18.04 LTS bionic
Fixed 2.4.4-2ubuntu1.7+esm1
16.04 LTS xenial
Fixed 2.3.10-1ubuntu2.2+esm2
14.04 LTS trusty
Fixed 2.3.2-7ubuntu3.2+esm2

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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 9.1 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References

Related Ubuntu Security Notices (USN)

Other references