CVE-2026-40215

Publication date 23 April 2026

Last updated 9 June 2026


Ubuntu priority

Description

race condition in TLS handshake that could lead to leaking of packet data from a previous handshake under specific circumstances

Status

Package Ubuntu Release Status
openvpn 26.04 LTS resolute
Fixed 2.7.0-1ubuntu1.1
25.10 questing
Fixed 2.6.19-0ubuntu0.25.10.2
24.04 LTS noble
Fixed 2.6.19-0ubuntu0.24.04.2
22.04 LTS jammy
Fixed 2.5.11-0ubuntu0.22.04.3
20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty
Needs evaluation

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

CVSS version: CVSS v4.0

Base score 6.1 · Medium

Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L

References

Related Ubuntu Security Notices (USN)

Other references


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