USN-7457-1

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Source
https://ubuntu.com/security/notices/USN-7457-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7457-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7457-1
Upstream
Related
Published
2025-04-24T12:40:43.678705Z
Modified
2025-09-08T16:41:47Z
Summary
openssh vulnerability
Details

It was discovered that OpenSSH incorrectly handled the DisableForwarding directive. The directive would fail to disable X11 and agent forwarding, contrary to documentation and expectations.

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 

{
    "binaries": [
        {
            "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",
            "binary_version": "1:8.2p1-4ubuntu0.13"
        }
    ],
    "availability": "No subscription required"
}

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 

{
    "binaries": [
        {
            "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",
            "binary_version": "1:8.9p1-3ubuntu0.13"
        }
    ],
    "availability": "No subscription required"
}

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 

{
    "binaries": [
        {
            "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",
            "binary_version": "1:9.6p1-3ubuntu13.11"
        }
    ],
    "availability": "No subscription required"
}

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 

{
    "binaries": [
        {
            "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",
            "binary_version": "1:9.9p1-3ubuntu3.1"
        }
    ],
    "availability": "No subscription required"
}