UBUNTU-CVE-2026-40226

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Source
https://ubuntu.com/security/CVE-2026-40226
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40226.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2026-40226
Upstream
Published
2026-04-10T16:16:00Z
Modified
2026-05-20T16:12:58.771188599Z
Severity
  • 6.4 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.

References

Affected packages

Ubuntu:22.04:LTS
systemd

Package

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

Affected ranges

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

Affected versions

248.*
248.3-1ubuntu8
249.*
249.5-2ubuntu1
249.5-2ubuntu2
249.5-2ubuntu3
249.5-2ubuntu4
249.9-0ubuntu2
249.10-0ubuntu1
249.10-0ubuntu2
249.11-0ubuntu1
249.11-0ubuntu2
249.11-0ubuntu3
249.11-0ubuntu3.1
249.11-0ubuntu3.3
249.11-0ubuntu3.4
249.11-0ubuntu3.6
249.11-0ubuntu3.7
249.11-0ubuntu3.9
249.11-0ubuntu3.10
249.11-0ubuntu3.11
249.11-0ubuntu3.12
249.11-0ubuntu3.15
249.11-0ubuntu3.16
249.11-0ubuntu3.17
249.11-0ubuntu3.19
249.11-0ubuntu3.20

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "libnss-myhostname"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "libnss-mymachines"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "libnss-resolve"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "libnss-systemd"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "libpam-systemd"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "libsystemd0"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "libudev1"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "systemd"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "systemd-container"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "systemd-coredump"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "systemd-journal-remote"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "systemd-oomd"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "systemd-repart"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "systemd-standalone-sysusers"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "systemd-standalone-tmpfiles"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "systemd-sysv"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "systemd-tests"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "systemd-timesyncd"
        },
        {
            "binary_version": "249.11-0ubuntu3.20",
            "binary_name": "udev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40226.json"
Ubuntu:24.04:LTS
systemd

Package

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

Affected ranges

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

Affected versions

253.*
253.5-1ubuntu6
253.5-1ubuntu7
255.*
255.2-3ubuntu2
255.4-1ubuntu5
255.4-1ubuntu6
255.4-1ubuntu7
255.4-1ubuntu8
255.4-1ubuntu8.1
255.4-1ubuntu8.2
255.4-1ubuntu8.4
255.4-1ubuntu8.5
255.4-1ubuntu8.6
255.4-1ubuntu8.8
255.4-1ubuntu8.10
255.4-1ubuntu8.11
255.4-1ubuntu8.12
255.4-1ubuntu8.14
255.4-1ubuntu8.15

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "libnss-myhostname"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "libnss-mymachines"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "libnss-resolve"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "libnss-systemd"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "libpam-systemd"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "libsystemd-shared"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "libsystemd0"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "libudev1"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "systemd"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "systemd-boot"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "systemd-boot-efi"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "systemd-container"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "systemd-coredump"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "systemd-homed"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "systemd-journal-remote"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "systemd-oomd"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "systemd-resolved"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "systemd-standalone-sysusers"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "systemd-standalone-tmpfiles"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "systemd-sysv"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "systemd-tests"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "systemd-timesyncd"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "systemd-ukify"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "systemd-userdbd"
        },
        {
            "binary_version": "255.4-1ubuntu8.15",
            "binary_name": "udev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40226.json"
Ubuntu:25.10
systemd

Package

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

Affected ranges

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

Affected versions

257.*
257.4-1ubuntu3
257.6-1ubuntu1
257.7-1ubuntu1
257.7-1ubuntu3
257.8-0ubuntu2
257.9-0ubuntu1
257.9-0ubuntu2
257.9-0ubuntu2.1
257.9-0ubuntu2.3
257.9-0ubuntu2.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "libnss-myhostname"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "libnss-mymachines"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "libnss-resolve"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "libnss-systemd"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "libpam-systemd"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "libsystemd-shared"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "libsystemd0"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "libudev1"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-boot"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-boot-efi"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-boot-tools"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-container"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-coredump"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-cryptsetup"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-homed"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-journal-remote"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-oomd"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-repart"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-resolved"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-standalone-shutdown"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-standalone-sysusers"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-standalone-tmpfiles"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-sysv"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-tests"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-timesyncd"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-ukify"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "systemd-userdbd"
        },
        {
            "binary_version": "257.9-0ubuntu2.4",
            "binary_name": "udev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40226.json"
Ubuntu:26.04:LTS
systemd

Package

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

Affected ranges

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

Affected versions

257.*
257.9-0ubuntu2
Other
259-1ubuntu2
259-1ubuntu3
259.*
259.3-0ubuntu1
259.5-0ubuntu1
259.5-0ubuntu2
259.5-0ubuntu3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "libnss-myhostname"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "libnss-mymachines"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "libnss-resolve"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "libnss-systemd"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "libpam-systemd"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "libsystemd-shared"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "libsystemd0"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "libudev1"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-boot"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-boot-efi"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-boot-tools"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-container"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-coredump"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-cryptsetup"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-homed"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-journal-remote"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-oomd"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-repart"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-resolved"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-standalone-shutdown"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-standalone-sysusers"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-standalone-tmpfiles"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-sysv"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-tests"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-timesyncd"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-ukify"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "systemd-userdbd"
        },
        {
            "binary_version": "259.5-0ubuntu3",
            "binary_name": "udev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40226.json"
Ubuntu:Pro:14.04:LTS
systemd

Package

Name
systemd
Purl
pkg:deb/ubuntu/systemd?arch=source&distro=esm-infra-legacy%2Ftrusty

Affected ranges

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

Affected versions

Other
204-0ubuntu18
204-0ubuntu19
204-5ubuntu3
204-5ubuntu5
204-5ubuntu6
204-5ubuntu7
204-5ubuntu8
204-5ubuntu9
204-5ubuntu10
204-5ubuntu11
204-5ubuntu13
204-5ubuntu14
204-5ubuntu15
204-5ubuntu16
204-5ubuntu17
204-5ubuntu18
204-5ubuntu19
204-5ubuntu20
204-5ubuntu20.*
204-5ubuntu20.2
204-5ubuntu20.3
204-5ubuntu20.4
204-5ubuntu20.5
204-5ubuntu20.6
204-5ubuntu20.7
204-5ubuntu20.8
204-5ubuntu20.9
204-5ubuntu20.10
204-5ubuntu20.11
204-5ubuntu20.12
204-5ubuntu20.13
204-5ubuntu20.14
204-5ubuntu20.15
204-5ubuntu20.18
204-5ubuntu20.19
204-5ubuntu20.20
204-5ubuntu20.21
204-5ubuntu20.22
204-5ubuntu20.24
204-5ubuntu20.25
204-5ubuntu20.26
204-5ubuntu20.28
204-5ubuntu20.29
204-5ubuntu20.31
204-5ubuntu20.31+esm2
204-5ubuntu20.31+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:204-5ubuntu20.31+esm3",
            "binary_name": "gir1.2-gudev-1.0"
        },
        {
            "binary_version": "1:204-5ubuntu20.31+esm3",
            "binary_name": "libgudev-1.0-0"
        },
        {
            "binary_version": "204-5ubuntu20.31+esm3",
            "binary_name": "libpam-systemd"
        },
        {
            "binary_version": "204-5ubuntu20.31+esm3",
            "binary_name": "libsystemd-daemon0"
        },
        {
            "binary_version": "204-5ubuntu20.31+esm3",
            "binary_name": "libsystemd-id128-0"
        },
        {
            "binary_version": "204-5ubuntu20.31+esm3",
            "binary_name": "libsystemd-journal0"
        },
        {
            "binary_version": "204-5ubuntu20.31+esm3",
            "binary_name": "libsystemd-login0"
        },
        {
            "binary_version": "204-5ubuntu20.31+esm3",
            "binary_name": "libudev1"
        },
        {
            "binary_version": "204-5ubuntu20.31+esm3",
            "binary_name": "python-systemd"
        },
        {
            "binary_version": "204-5ubuntu20.31+esm3",
            "binary_name": "systemd"
        },
        {
            "binary_version": "204-5ubuntu20.31+esm3",
            "binary_name": "systemd-services"
        },
        {
            "binary_version": "204-5ubuntu20.31+esm3",
            "binary_name": "udev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40226.json"
Ubuntu:Pro:16.04:LTS
systemd

Package

Name
systemd
Purl
pkg:deb/ubuntu/systemd?arch=source&distro=esm-infra%2Fxenial

Affected ranges

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

Affected versions

Other
225-1ubuntu9
227-2ubuntu1
227-2ubuntu2
228-1ubuntu2
228-2ubuntu1
228-2ubuntu2
228-3ubuntu1
228-4ubuntu1
228-4ubuntu2
228-5ubuntu1
228-5ubuntu2
228-5ubuntu3
228-6ubuntu1
229-1ubuntu2
229-1ubuntu4
229-2ubuntu1
229-3ubuntu1
229-3ubuntu2
229-4ubuntu1
229-4ubuntu4
229-4ubuntu5
229-4ubuntu6
229-4ubuntu7
229-4ubuntu8
229-4ubuntu10
229-4ubuntu11
229-4ubuntu12
229-4ubuntu13
229-4ubuntu16
229-4ubuntu17
229-4ubuntu19
229-4ubuntu20
229-4ubuntu21
229-4ubuntu21.*
229-4ubuntu21.1
229-4ubuntu21.2
229-4ubuntu21.3
229-4ubuntu21.4
229-4ubuntu21.5
229-4ubuntu21.6
229-4ubuntu21.8
229-4ubuntu21.9
229-4ubuntu21.10
229-4ubuntu21.15
229-4ubuntu21.16
229-4ubuntu21.17
229-4ubuntu21.19
229-4ubuntu21.21
229-4ubuntu21.22
229-4ubuntu21.23
229-4ubuntu21.27
229-4ubuntu21.28
229-4ubuntu21.29
229-4ubuntu21.31
229-4ubuntu21.31+esm1
229-4ubuntu21.31+esm3
229-4ubuntu21.31+esm4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "229-4ubuntu21.31+esm4",
            "binary_name": "libnss-myhostname"
        },
        {
            "binary_version": "229-4ubuntu21.31+esm4",
            "binary_name": "libnss-mymachines"
        },
        {
            "binary_version": "229-4ubuntu21.31+esm4",
            "binary_name": "libnss-resolve"
        },
        {
            "binary_version": "229-4ubuntu21.31+esm4",
            "binary_name": "libpam-systemd"
        },
        {
            "binary_version": "229-4ubuntu21.31+esm4",
            "binary_name": "libsystemd0"
        },
        {
            "binary_version": "229-4ubuntu21.31+esm4",
            "binary_name": "libudev1"
        },
        {
            "binary_version": "229-4ubuntu21.31+esm4",
            "binary_name": "systemd"
        },
        {
            "binary_version": "229-4ubuntu21.31+esm4",
            "binary_name": "systemd-container"
        },
        {
            "binary_version": "229-4ubuntu21.31+esm4",
            "binary_name": "systemd-coredump"
        },
        {
            "binary_version": "229-4ubuntu21.31+esm4",
            "binary_name": "systemd-journal-remote"
        },
        {
            "binary_version": "229-4ubuntu21.31+esm4",
            "binary_name": "systemd-sysv"
        },
        {
            "binary_version": "229-4ubuntu21.31+esm4",
            "binary_name": "udev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40226.json"
Ubuntu:Pro:18.04:LTS
systemd

Package

Name
systemd
Purl
pkg:deb/ubuntu/systemd?arch=source&distro=esm-infra%2Fbionic

Affected ranges

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

Affected versions

Other
234-2ubuntu12
235-2ubuntu3
235-3ubuntu2
235-3ubuntu3
237-3ubuntu3
237-3ubuntu4
237-3ubuntu6
237-3ubuntu7
237-3ubuntu8
237-3ubuntu10
237-3ubuntu10.*
237-3ubuntu10.2
237-3ubuntu10.3
237-3ubuntu10.4
237-3ubuntu10.6
237-3ubuntu10.9
237-3ubuntu10.11
237-3ubuntu10.12
237-3ubuntu10.13
237-3ubuntu10.15
237-3ubuntu10.17
237-3ubuntu10.19
237-3ubuntu10.20
237-3ubuntu10.21
237-3ubuntu10.22
237-3ubuntu10.23
237-3ubuntu10.24
237-3ubuntu10.25
237-3ubuntu10.26
237-3ubuntu10.28
237-3ubuntu10.29
237-3ubuntu10.31
237-3ubuntu10.33
237-3ubuntu10.38
237-3ubuntu10.39
237-3ubuntu10.40
237-3ubuntu10.41
237-3ubuntu10.42
237-3ubuntu10.43
237-3ubuntu10.44
237-3ubuntu10.45
237-3ubuntu10.46
237-3ubuntu10.47
237-3ubuntu10.48
237-3ubuntu10.49
237-3ubuntu10.50
237-3ubuntu10.51
237-3ubuntu10.52
237-3ubuntu10.53
237-3ubuntu10.54
237-3ubuntu10.56
237-3ubuntu10.57
237-3ubuntu10.57+esm2
237-3ubuntu10.57+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "237-3ubuntu10.57+esm3",
            "binary_name": "libnss-myhostname"
        },
        {
            "binary_version": "237-3ubuntu10.57+esm3",
            "binary_name": "libnss-mymachines"
        },
        {
            "binary_version": "237-3ubuntu10.57+esm3",
            "binary_name": "libnss-resolve"
        },
        {
            "binary_version": "237-3ubuntu10.57+esm3",
            "binary_name": "libnss-systemd"
        },
        {
            "binary_version": "237-3ubuntu10.57+esm3",
            "binary_name": "libpam-systemd"
        },
        {
            "binary_version": "237-3ubuntu10.57+esm3",
            "binary_name": "libsystemd0"
        },
        {
            "binary_version": "237-3ubuntu10.57+esm3",
            "binary_name": "libudev1"
        },
        {
            "binary_version": "237-3ubuntu10.57+esm3",
            "binary_name": "systemd"
        },
        {
            "binary_version": "237-3ubuntu10.57+esm3",
            "binary_name": "systemd-container"
        },
        {
            "binary_version": "237-3ubuntu10.57+esm3",
            "binary_name": "systemd-coredump"
        },
        {
            "binary_version": "237-3ubuntu10.57+esm3",
            "binary_name": "systemd-journal-remote"
        },
        {
            "binary_version": "237-3ubuntu10.57+esm3",
            "binary_name": "systemd-sysv"
        },
        {
            "binary_version": "237-3ubuntu10.57+esm3",
            "binary_name": "systemd-tests"
        },
        {
            "binary_version": "237-3ubuntu10.57+esm3",
            "binary_name": "udev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40226.json"
Ubuntu:Pro:20.04:LTS
systemd

Package

Name
systemd
Purl
pkg:deb/ubuntu/systemd?arch=source&distro=esm-infra%2Ffocal

Affected ranges

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

Affected versions

Other
242-7ubuntu3
243-2ubuntu1
243-3ubuntu1
244-3ubuntu1
244.*
244.1-0ubuntu2
244.1-0ubuntu3
244.2-1ubuntu1
244.3-1ubuntu1
245.*
245.2-1ubuntu1
245.2-1ubuntu2
245.4-2ubuntu1
245.4-4ubuntu1
245.4-4ubuntu3
245.4-4ubuntu3.1
245.4-4ubuntu3.2
245.4-4ubuntu3.3
245.4-4ubuntu3.4
245.4-4ubuntu3.5
245.4-4ubuntu3.6
245.4-4ubuntu3.7
245.4-4ubuntu3.10
245.4-4ubuntu3.11
245.4-4ubuntu3.13
245.4-4ubuntu3.14
245.4-4ubuntu3.15
245.4-4ubuntu3.16
245.4-4ubuntu3.17
245.4-4ubuntu3.18
245.4-4ubuntu3.19
245.4-4ubuntu3.20
245.4-4ubuntu3.21
245.4-4ubuntu3.22
245.4-4ubuntu3.23
245.4-4ubuntu3.24
245.4-4ubuntu3.24+esm1
245.4-4ubuntu3.24+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "245.4-4ubuntu3.24+esm3",
            "binary_name": "libnss-myhostname"
        },
        {
            "binary_version": "245.4-4ubuntu3.24+esm3",
            "binary_name": "libnss-mymachines"
        },
        {
            "binary_version": "245.4-4ubuntu3.24+esm3",
            "binary_name": "libnss-resolve"
        },
        {
            "binary_version": "245.4-4ubuntu3.24+esm3",
            "binary_name": "libnss-systemd"
        },
        {
            "binary_version": "245.4-4ubuntu3.24+esm3",
            "binary_name": "libpam-systemd"
        },
        {
            "binary_version": "245.4-4ubuntu3.24+esm3",
            "binary_name": "libsystemd0"
        },
        {
            "binary_version": "245.4-4ubuntu3.24+esm3",
            "binary_name": "libudev1"
        },
        {
            "binary_version": "245.4-4ubuntu3.24+esm3",
            "binary_name": "systemd"
        },
        {
            "binary_version": "245.4-4ubuntu3.24+esm3",
            "binary_name": "systemd-container"
        },
        {
            "binary_version": "245.4-4ubuntu3.24+esm3",
            "binary_name": "systemd-coredump"
        },
        {
            "binary_version": "245.4-4ubuntu3.24+esm3",
            "binary_name": "systemd-journal-remote"
        },
        {
            "binary_version": "245.4-4ubuntu3.24+esm3",
            "binary_name": "systemd-sysv"
        },
        {
            "binary_version": "245.4-4ubuntu3.24+esm3",
            "binary_name": "systemd-tests"
        },
        {
            "binary_version": "245.4-4ubuntu3.24+esm3",
            "binary_name": "systemd-timesyncd"
        },
        {
            "binary_version": "245.4-4ubuntu3.24+esm3",
            "binary_name": "udev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40226.json"