UBUNTU-CVE-2025-32728

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2025-32728
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-32728.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2025-32728
Upstream
Downstream
Related
Published
2025-04-10T02:15:00Z
Modified
2025-09-08T17:08:14Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N CVSS Calculator
  • 3.8 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent forwarding.

References

Affected packages

Ubuntu:20.04:LTS

openssh

Package

Name
openssh
Purl
pkg:deb/ubuntu/openssh@1:8.2p1-4ubuntu0.13?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:8.2p1-4ubuntu0.13

Affected versions

1:8.*

1:8.0p1-6build1
1:8.1p1-1
1:8.1p1-5
1:8.2p1-4
1:8.2p1-4ubuntu0.1
1:8.2p1-4ubuntu0.2
1:8.2p1-4ubuntu0.3
1:8.2p1-4ubuntu0.4
1:8.2p1-4ubuntu0.5
1:8.2p1-4ubuntu0.7
1:8.2p1-4ubuntu0.8
1:8.2p1-4ubuntu0.9
1:8.2p1-4ubuntu0.10
1:8.2p1-4ubuntu0.11
1:8.2p1-4ubuntu0.12

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:8.2p1-4ubuntu0.13",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.13",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.13",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.13",
            "binary_name": "openssh-tests"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.13",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.13",
            "binary_name": "ssh-askpass-gnome"
        }
    ]
}

Ubuntu:22.04:LTS

openssh

Package

Name
openssh
Purl
pkg:deb/ubuntu/openssh@1:8.9p1-3ubuntu0.13?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:8.9p1-3ubuntu0.13

Affected versions

1:8.*

1:8.4p1-6ubuntu2
1:8.7p1-2
1:8.7p1-2build1
1:8.7p1-4
1:8.8p1-1
1:8.9p1-3
1:8.9p1-3ubuntu0.1
1:8.9p1-3ubuntu0.3
1:8.9p1-3ubuntu0.4
1:8.9p1-3ubuntu0.5
1:8.9p1-3ubuntu0.6
1:8.9p1-3ubuntu0.7
1:8.9p1-3ubuntu0.10
1:8.9p1-3ubuntu0.11

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:8.9p1-3ubuntu0.13",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.13",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.13",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.13",
            "binary_name": "openssh-tests"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.13",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.13",
            "binary_name": "ssh-askpass-gnome"
        }
    ]
}

openssh-ssh1

Package

Name
openssh-ssh1
Purl
pkg:deb/ubuntu/openssh-ssh1@1:7.5p1-13?arch=source&distro=jammy

Affected ranges

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

Affected versions

1:7.*

1:7.5p1-12
1:7.5p1-12build1
1:7.5p1-13

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:7.5p1-13",
            "binary_name": "openssh-client-ssh1"
        }
    ]
}

Ubuntu:24.04:LTS

openssh

Package

Name
openssh
Purl
pkg:deb/ubuntu/openssh@1:9.6p1-3ubuntu13.11?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.6p1-3ubuntu13.11

Affected versions

1:9.*

1:9.3p1-1ubuntu3
1:9.4p1-1ubuntu1
1:9.6p1-3ubuntu1
1:9.6p1-3ubuntu2
1:9.6p1-3ubuntu11
1:9.6p1-3ubuntu12
1:9.6p1-3ubuntu13
1:9.6p1-3ubuntu13.3
1:9.6p1-3ubuntu13.4
1:9.6p1-3ubuntu13.5
1:9.6p1-3ubuntu13.7
1:9.6p1-3ubuntu13.8
1:9.6p1-3ubuntu13.9

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:9.6p1-3ubuntu13.11",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:9.6p1-3ubuntu13.11",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:9.6p1-3ubuntu13.11",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:9.6p1-3ubuntu13.11",
            "binary_name": "openssh-tests"
        },
        {
            "binary_version": "1:9.6p1-3ubuntu13.11",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:9.6p1-3ubuntu13.11",
            "binary_name": "ssh-askpass-gnome"
        }
    ]
}

openssh-ssh1

Package

Name
openssh-ssh1
Purl
pkg:deb/ubuntu/openssh-ssh1@1:7.5p1-16?arch=source&distro=noble

Affected ranges

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

Affected versions

1:7.*

1:7.5p1-14
1:7.5p1-15
1:7.5p1-15build1
1:7.5p1-16

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:7.5p1-16",
            "binary_name": "openssh-client-ssh1"
        }
    ]
}

Ubuntu:25.04

openssh

Package

Name
openssh
Purl
pkg:deb/ubuntu/openssh@1:9.9p1-3ubuntu3.1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.9p1-3ubuntu3.1

Affected versions

1:9.*

1:9.7p1-7ubuntu4
1:9.7p1-7ubuntu5
1:9.9p1-3ubuntu1
1:9.9p1-3ubuntu2
1:9.9p1-3ubuntu3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1:9.9p1-3ubuntu3.1",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:9.9p1-3ubuntu3.1",
            "binary_name": "openssh-client-gssapi"
        },
        {
            "binary_version": "1:9.9p1-3ubuntu3.1",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:9.9p1-3ubuntu3.1",
            "binary_name": "openssh-server-gssapi"
        },
        {
            "binary_version": "1:9.9p1-3ubuntu3.1",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:9.9p1-3ubuntu3.1",
            "binary_name": "openssh-tests"
        },
        {
            "binary_version": "1:9.9p1-3ubuntu3.1",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:9.9p1-3ubuntu3.1",
            "binary_name": "ssh-askpass-gnome"
        }
    ]
}

openssh-ssh1

Package

Name
openssh-ssh1
Purl
pkg:deb/ubuntu/openssh-ssh1@1:7.5p1-17?arch=source&distro=plucky

Affected ranges

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

Affected versions

1:7.*

1:7.5p1-17

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:7.5p1-17",
            "binary_name": "openssh-client-ssh1"
        }
    ]
}

Ubuntu:Pro:18.04:LTS

openssh

Package

Name
openssh
Purl
pkg:deb/ubuntu/openssh@1:7.6p1-4ubuntu0.7+esm4?arch=source&distro=esm-infra/bionic

Affected ranges

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

Affected versions

1:7.*

1:7.5p1-10
1:7.6p1-4
1:7.6p1-4ubuntu0.1
1:7.6p1-4ubuntu0.2
1:7.6p1-4ubuntu0.3
1:7.6p1-4ubuntu0.5
1:7.6p1-4ubuntu0.6
1:7.6p1-4ubuntu0.7
1:7.6p1-4ubuntu0.7+esm1
1:7.6p1-4ubuntu0.7+esm2
1:7.6p1-4ubuntu0.7+esm3
1:7.6p1-4ubuntu0.7+esm4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:7.6p1-4ubuntu0.7+esm4",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:7.6p1-4ubuntu0.7+esm4",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:7.6p1-4ubuntu0.7+esm4",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:7.6p1-4ubuntu0.7+esm4",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:7.6p1-4ubuntu0.7+esm4",
            "binary_name": "ssh-askpass-gnome"
        }
    ]
}

openssh-ssh1

Package

Name
openssh-ssh1
Purl
pkg:deb/ubuntu/openssh-ssh1@1:7.5p1-10?arch=source&distro=esm-apps/bionic

Affected ranges

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

Affected versions

1:7.*

1:7.5p1-8
1:7.5p1-9
1:7.5p1-9build1
1:7.5p1-10

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:7.5p1-10",
            "binary_name": "openssh-client-ssh1"
        }
    ]
}

Ubuntu:Pro:20.04:LTS

openssh-ssh1

Package

Name
openssh-ssh1
Purl
pkg:deb/ubuntu/openssh-ssh1@1:7.5p1-11build1?arch=source&distro=esm-apps/focal

Affected ranges

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

Affected versions

1:7.*

1:7.5p1-11build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:7.5p1-11build1",
            "binary_name": "openssh-client-ssh1"
        }
    ]
}

Ubuntu:Pro:FIPS-preview:22.04:LTS

openssh

Package

Name
openssh
Purl
pkg:deb/ubuntu/openssh@1:8.9p1-3ubuntu1.fips.0~ppa3?arch=source&distro=fips-preview/jammy

Affected ranges

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

Affected versions

1:8.*

1:8.9p1-3ubuntu0.4+Fips1
1:8.9p1-3ubuntu0.4+Fips3
1:8.9p1-3ubuntu1.fips.0~ppa3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:8.9p1-3ubuntu1.fips.0~ppa3",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu1.fips.0~ppa3",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu1.fips.0~ppa3",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu1.fips.0~ppa3",
            "binary_name": "openssh-tests"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu1.fips.0~ppa3",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu1.fips.0~ppa3",
            "binary_name": "ssh-askpass-gnome"
        }
    ]
}

Ubuntu:Pro:FIPS-updates:18.04:LTS

openssh

Package

Name
openssh
Purl
pkg:deb/ubuntu/openssh@1:7.9p1-10~ubuntu18.04.fips.0.10?arch=source&distro=fips-updates/bionic

Affected ranges

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

Affected versions

1:7.*

1:7.9p1-10~ubuntu18.04.fips.0.1
1:7.9p1-10~ubuntu18.04.fips.0.2
1:7.9p1-10~ubuntu18.04.fips.0.3
1:7.9p1-10~ubuntu18.04.fips.0.4
1:7.9p1-10~ubuntu18.04.fips.0.5
1:7.9p1-10~ubuntu18.04.fips.0.6
1:7.9p1-10~ubuntu18.04.fips.0.7
1:7.9p1-10~ubuntu18.04.fips.0.8
1:7.9p1-10~ubuntu18.04.fips.0.9
1:7.9p1-10~ubuntu18.04.fips.0.10

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.10",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.10",
            "binary_name": "openssh-client-hmac"
        },
        {
            "binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.10",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.10",
            "binary_name": "openssh-server-hmac"
        },
        {
            "binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.10",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.10",
            "binary_name": "openssh-tests"
        },
        {
            "binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.10",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.10",
            "binary_name": "ssh-askpass-gnome"
        }
    ]
}

Ubuntu:Pro:FIPS-updates:20.04:LTS

openssh

Package

Name
openssh
Purl
pkg:deb/ubuntu/openssh@1:8.2p1-4ubuntu0.fips.0.13?arch=source&distro=fips-updates/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:8.2p1-4ubuntu0.fips.0.13

Affected versions

1:8.*

1:8.2p1-4ubuntu0.fips.0.2.1
1:8.2p1-4ubuntu0.fips.0.4.0
1:8.2p1-4ubuntu0.fips.0.5.0
1:8.2p1-4ubuntu0.fips.0.7
1:8.2p1-4ubuntu0.fips.0.8
1:8.2p1-4ubuntu0.fips.0.9
1:8.2p1-4ubuntu0.fips.0.10
1:8.2p1-4ubuntu0.fips.0.11
1:8.2p1-4ubuntu0.fips.0.12

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1:8.2p1-4ubuntu0.fips.0.13",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.fips.0.13",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.fips.0.13",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.fips.0.13",
            "binary_name": "openssh-tests"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.fips.0.13",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.fips.0.13",
            "binary_name": "ssh-askpass-gnome"
        }
    ]
}

Ubuntu:Pro:FIPS-updates:22.04:LTS

openssh

Package

Name
openssh
Purl
pkg:deb/ubuntu/openssh@1:8.9p1-3ubuntu0.13+Fips1?arch=source&distro=fips-updates/jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:8.9p1-3ubuntu0.13+Fips1

Affected versions

1:8.*

1:8.9p1-3ubuntu0.4+Fips1
1:8.9p1-3ubuntu0.4+Fips3
1:8.9p1-3ubuntu0.6+Fips1
1:8.9p1-3ubuntu0.7+Fips1
1:8.9p1-3ubuntu0.10+Fips1
1:8.9p1-3ubuntu0.11+Fips1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1:8.9p1-3ubuntu0.13+Fips1",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.13+Fips1",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.13+Fips1",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.13+Fips1",
            "binary_name": "openssh-tests"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.13+Fips1",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:8.9p1-3ubuntu0.13+Fips1",
            "binary_name": "ssh-askpass-gnome"
        }
    ]
}

Ubuntu:Pro:FIPS:18.04:LTS

openssh

Package

Name
openssh
Purl
pkg:deb/ubuntu/openssh@1:7.9p1-10~ubuntu18.04.fips.0.2?arch=source&distro=fips/bionic

Affected ranges

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

Affected versions

1:7.*

1:7.9p1-10~ubuntu18.04.fips.0.1
1:7.9p1-10~ubuntu18.04.fips.0.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.2",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.2",
            "binary_name": "openssh-client-hmac"
        },
        {
            "binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.2",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.2",
            "binary_name": "openssh-server-hmac"
        },
        {
            "binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.2",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.2",
            "binary_name": "openssh-tests"
        },
        {
            "binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.2",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.2",
            "binary_name": "ssh-askpass-gnome"
        }
    ]
}

Ubuntu:Pro:FIPS:20.04:LTS

openssh

Package

Name
openssh
Purl
pkg:deb/ubuntu/openssh@1:8.2p1-4ubuntu0.fips.0.2.1?arch=source&distro=fips/focal

Affected ranges

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

Affected versions

1:8.*

1:8.2p1-4ubuntu0.fips.0.2.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:8.2p1-4ubuntu0.fips.0.2.1",
            "binary_name": "openssh-client"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.fips.0.2.1",
            "binary_name": "openssh-server"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.fips.0.2.1",
            "binary_name": "openssh-sftp-server"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.fips.0.2.1",
            "binary_name": "openssh-tests"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.fips.0.2.1",
            "binary_name": "ssh"
        },
        {
            "binary_version": "1:8.2p1-4ubuntu0.fips.0.2.1",
            "binary_name": "ssh-askpass-gnome"
        }
    ]
}