UBUNTU-CVE-2025-2704

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Source
https://ubuntu.com/security/CVE-2025-2704
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-2704.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-2704
Upstream
Downstream
Related
Published
2025-04-02T00:00:00Z
Modified
2025-09-08T17:06:49Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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

References

Affected packages

Ubuntu:24.04:LTS / openvpn

Package

Name
openvpn
Purl
pkg:deb/ubuntu/openvpn@2.6.12-0ubuntu0.24.04.3?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.6.12-0ubuntu0.24.04.3

Affected versions

2.*

2.6.5-0ubuntu1
2.6.7-1ubuntu1
2.6.9-1ubuntu2
2.6.9-1ubuntu3
2.6.9-1ubuntu4
2.6.9-1ubuntu4.1
2.6.12-0ubuntu0.24.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "openvpn",
            "binary_version": "2.6.12-0ubuntu0.24.04.3"
        }
    ],
    "availability": "No subscription required"
}