CVE-2025-2704 Affecting openvpn package, versions <2.6.12-0ubuntu0.24.04.3


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.1% (29th percentile)

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  • Snyk IDSNYK-UBUNTU2404-OPENVPN-9637828
  • published3 Apr 2025
  • disclosed2 Apr 2025

Introduced: 2 Apr 2025

NewCVE-2025-2704  (opens in a new tab)

How to fix?

Upgrade Ubuntu:24.04 openvpn to version 2.6.12-0ubuntu0.24.04.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openvpn package and not the openvpn package as distributed by Ubuntu. See How to fix? for Ubuntu:24.04 relevant fixed versions and status.

OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase