UBUNTU-CVE-2025-3908

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Source
https://ubuntu.com/security/CVE-2025-3908
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-3908.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-3908
Upstream
Published
2025-05-19T15:15:00Z
Modified
2026-05-20T16:22:21Z
Severity
  • 6.2 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

The configuration initialization tool in OpenVPN 3 Linux v20 through v24 on Linux allows a local attacker to use symlinks pointing at an arbitrary directory which will change the ownership and permissions of that destination directory.

References

Affected packages

Ubuntu:25.10 / openvpn3-client

Package

Name
openvpn3-client
Purl
pkg:deb/ubuntu/openvpn3-client?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

Other
24+dfsg-1
24+dfsg-2build1
25+dfsg-2ubuntu1
25+dfsg-3
24.*
24.1+dfsg-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "openvpn3-client",
            "binary_version": "25+dfsg-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-3908.json"

Ubuntu:26.04:LTS / openvpn3-client

Package

Name
openvpn3-client
Purl
pkg:deb/ubuntu/openvpn3-client?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

Other
25+dfsg-3
25+dfsg-4
26+dfsg-1
26+dfsg-2
27+dfsg-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "openvpn3-client",
            "binary_version": "27+dfsg-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-3908.json"