USN-8407-1

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Source
https://ubuntu.com/security/notices/USN-8407-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8407-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8407-1
Upstream
Related
Published
2026-06-08T17:28:38Z
Modified
2026-08-24T10:00:13Z
Summary
strongswan vulnerability
Details

Elliott Childre discovered that strongSwan incorrectly handled the cloning of certain identities. A remote attacker could use this issue to cause strongSwan to crash, resulting in a denial of service, or possibly execute arbitrary code.

References

Affected packages

Ubuntu:22.04:LTS / strongswan

Package

Name
strongswan
Purl
pkg:deb/ubuntu/strongswan?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.9.5-2ubuntu2.7

Affected versions

5.*
5.9.1-1ubuntu3
5.9.1-1ubuntu3.1
5.9.4-1ubuntu1
5.9.4-1ubuntu2
5.9.4-1ubuntu3
5.9.4-1ubuntu4
5.9.5-2ubuntu1
5.9.5-2ubuntu2
5.9.5-2ubuntu2.1
5.9.5-2ubuntu2.2
5.9.5-2ubuntu2.3
5.9.5-2ubuntu2.4
5.9.5-2ubuntu2.5
5.9.5-2ubuntu2.6

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "charon-cmd",
            "binary_version": "5.9.5-2ubuntu2.7"
        },
        {
            "binary_name": "charon-systemd",
            "binary_version": "5.9.5-2ubuntu2.7"
        },
        {
            "binary_name": "libcharon-extauth-plugins",
            "binary_version": "5.9.5-2ubuntu2.7"
        },
        {
            "binary_name": "libcharon-extra-plugins",
            "binary_version": "5.9.5-2ubuntu2.7"
        },
        {
            "binary_name": "libstrongswan",
            "binary_version": "5.9.5-2ubuntu2.7"
        },
        {
            "binary_name": "libstrongswan-extra-plugins",
            "binary_version": "5.9.5-2ubuntu2.7"
        },
        {
            "binary_name": "libstrongswan-standard-plugins",
            "binary_version": "5.9.5-2ubuntu2.7"
        },
        {
            "binary_name": "strongswan",
            "binary_version": "5.9.5-2ubuntu2.7"
        },
        {
            "binary_name": "strongswan-charon",
            "binary_version": "5.9.5-2ubuntu2.7"
        },
        {
            "binary_name": "strongswan-libcharon",
            "binary_version": "5.9.5-2ubuntu2.7"
        },
        {
            "binary_name": "strongswan-nm",
            "binary_version": "5.9.5-2ubuntu2.7"
        },
        {
            "binary_name": "strongswan-pki",
            "binary_version": "5.9.5-2ubuntu2.7"
        },
        {
            "binary_name": "strongswan-scepclient",
            "binary_version": "5.9.5-2ubuntu2.7"
        },
        {
            "binary_name": "strongswan-starter",
            "binary_version": "5.9.5-2ubuntu2.7"
        },
        {
            "binary_name": "strongswan-swanctl",
            "binary_version": "5.9.5-2ubuntu2.7"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-47895",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8407-1.json"

Ubuntu:24.04:LTS / strongswan

Package

Name
strongswan
Purl
pkg:deb/ubuntu/strongswan?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.9.13-2ubuntu4.24.04.4

Affected versions

5.*
5.9.11-1ubuntu1
5.9.11-1ubuntu2
5.9.12-1ubuntu1
5.9.13-2ubuntu1
5.9.13-2ubuntu3
5.9.13-2ubuntu4
5.9.13-2ubuntu4.24.04.1
5.9.13-2ubuntu4.24.04.2
5.9.13-2ubuntu4.24.04.3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "charon-cmd",
            "binary_version": "5.9.13-2ubuntu4.24.04.4"
        },
        {
            "binary_name": "charon-systemd",
            "binary_version": "5.9.13-2ubuntu4.24.04.4"
        },
        {
            "binary_name": "libcharon-extauth-plugins",
            "binary_version": "5.9.13-2ubuntu4.24.04.4"
        },
        {
            "binary_name": "libcharon-extra-plugins",
            "binary_version": "5.9.13-2ubuntu4.24.04.4"
        },
        {
            "binary_name": "libstrongswan",
            "binary_version": "5.9.13-2ubuntu4.24.04.4"
        },
        {
            "binary_name": "libstrongswan-extra-plugins",
            "binary_version": "5.9.13-2ubuntu4.24.04.4"
        },
        {
            "binary_name": "libstrongswan-standard-plugins",
            "binary_version": "5.9.13-2ubuntu4.24.04.4"
        },
        {
            "binary_name": "strongswan",
            "binary_version": "5.9.13-2ubuntu4.24.04.4"
        },
        {
            "binary_name": "strongswan-charon",
            "binary_version": "5.9.13-2ubuntu4.24.04.4"
        },
        {
            "binary_name": "strongswan-libcharon",
            "binary_version": "5.9.13-2ubuntu4.24.04.4"
        },
        {
            "binary_name": "strongswan-nm",
            "binary_version": "5.9.13-2ubuntu4.24.04.4"
        },
        {
            "binary_name": "strongswan-pki",
            "binary_version": "5.9.13-2ubuntu4.24.04.4"
        },
        {
            "binary_name": "strongswan-starter",
            "binary_version": "5.9.13-2ubuntu4.24.04.4"
        },
        {
            "binary_name": "strongswan-swanctl",
            "binary_version": "5.9.13-2ubuntu4.24.04.4"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-47895",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8407-1.json"

Ubuntu:25.10 / strongswan

Package

Name
strongswan
Purl
pkg:deb/ubuntu/strongswan?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6.0.1-6ubuntu4.4

Affected versions

5.*
5.9.13-2ubuntu4
5.9.13-2ubuntu5
6.*
6.0.1-6ubuntu2
6.0.1-6ubuntu4
6.0.1-6ubuntu4.1
6.0.1-6ubuntu4.2
6.0.1-6ubuntu4.3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "charon-cmd",
            "binary_version": "6.0.1-6ubuntu4.4"
        },
        {
            "binary_name": "charon-systemd",
            "binary_version": "6.0.1-6ubuntu4.4"
        },
        {
            "binary_name": "libcharon-extauth-plugins",
            "binary_version": "6.0.1-6ubuntu4.4"
        },
        {
            "binary_name": "libcharon-extra-plugins",
            "binary_version": "6.0.1-6ubuntu4.4"
        },
        {
            "binary_name": "libstrongswan",
            "binary_version": "6.0.1-6ubuntu4.4"
        },
        {
            "binary_name": "libstrongswan-extra-plugins",
            "binary_version": "6.0.1-6ubuntu4.4"
        },
        {
            "binary_name": "libstrongswan-standard-plugins",
            "binary_version": "6.0.1-6ubuntu4.4"
        },
        {
            "binary_name": "strongswan",
            "binary_version": "6.0.1-6ubuntu4.4"
        },
        {
            "binary_name": "strongswan-charon",
            "binary_version": "6.0.1-6ubuntu4.4"
        },
        {
            "binary_name": "strongswan-libcharon",
            "binary_version": "6.0.1-6ubuntu4.4"
        },
        {
            "binary_name": "strongswan-nm",
            "binary_version": "6.0.1-6ubuntu4.4"
        },
        {
            "binary_name": "strongswan-pki",
            "binary_version": "6.0.1-6ubuntu4.4"
        },
        {
            "binary_name": "strongswan-starter",
            "binary_version": "6.0.1-6ubuntu4.4"
        },
        {
            "binary_name": "strongswan-swanctl",
            "binary_version": "6.0.1-6ubuntu4.4"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-47895",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:25.10"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8407-1.json"

Ubuntu:26.04:LTS / strongswan

Package

Name
strongswan
Purl
pkg:deb/ubuntu/strongswan?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6.0.4-1ubuntu3.1

Affected versions

6.*
6.0.1-6ubuntu4
6.0.1-6ubuntu5
6.0.4-1ubuntu1
6.0.4-1ubuntu2
6.0.4-1ubuntu3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "charon-cmd",
            "binary_version": "6.0.4-1ubuntu3.1"
        },
        {
            "binary_name": "charon-systemd",
            "binary_version": "6.0.4-1ubuntu3.1"
        },
        {
            "binary_name": "libcharon-extauth-plugins",
            "binary_version": "6.0.4-1ubuntu3.1"
        },
        {
            "binary_name": "libcharon-extra-plugins",
            "binary_version": "6.0.4-1ubuntu3.1"
        },
        {
            "binary_name": "libstrongswan",
            "binary_version": "6.0.4-1ubuntu3.1"
        },
        {
            "binary_name": "libstrongswan-extra-plugins",
            "binary_version": "6.0.4-1ubuntu3.1"
        },
        {
            "binary_name": "libstrongswan-standard-plugins",
            "binary_version": "6.0.4-1ubuntu3.1"
        },
        {
            "binary_name": "strongswan",
            "binary_version": "6.0.4-1ubuntu3.1"
        },
        {
            "binary_name": "strongswan-charon",
            "binary_version": "6.0.4-1ubuntu3.1"
        },
        {
            "binary_name": "strongswan-libcharon",
            "binary_version": "6.0.4-1ubuntu3.1"
        },
        {
            "binary_name": "strongswan-nm",
            "binary_version": "6.0.4-1ubuntu3.1"
        },
        {
            "binary_name": "strongswan-pki",
            "binary_version": "6.0.4-1ubuntu3.1"
        },
        {
            "binary_name": "strongswan-starter",
            "binary_version": "6.0.4-1ubuntu3.1"
        },
        {
            "binary_name": "strongswan-swanctl",
            "binary_version": "6.0.4-1ubuntu3.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-47895",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:26.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8407-1.json"