USN-7826-1

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Source
https://ubuntu.com/security/notices/USN-7826-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7826-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7826-1
Upstream
Related
Published
2025-10-16T07:48:07Z
Modified
2026-02-10T04:50:11Z
Summary
samba vulnerabilities
Details

Andrew Walker discovered that Samba incorrectly initialized memory in the vfsstreamsxattr module. An authenticated attacker could possibly use this issue to obtain sensitive information. (CVE-2025-9640)

Igor Morgenstern discovered that Samba incorrectly handled names passed to the WINS hook program. An attacker could possibly use this issue to execute arbitrary code. (CVE-2025-10230)

References

Affected packages

Ubuntu:22.04:LTS / samba

Package

Name
samba
Purl
pkg:deb/ubuntu/samba@2:4.15.13+dfsg-0ubuntu1.10?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.15.13+dfsg-0ubuntu1.10

Affected versions

2:4.*
2:4.13.5+dfsg-2ubuntu2
2:4.13.5+dfsg-2ubuntu3
2:4.13.14+dfsg-0ubuntu1
2:4.13.14+dfsg-0ubuntu2
2:4.15.5~dfsg-0ubuntu1
2:4.15.5~dfsg-0ubuntu2
2:4.15.5~dfsg-0ubuntu4
2:4.15.5~dfsg-0ubuntu5
2:4.15.5~dfsg-0ubuntu5.1
2:4.15.9+dfsg-0ubuntu0.2
2:4.15.9+dfsg-0ubuntu0.3
2:4.15.13+dfsg-0ubuntu1
2:4.15.13+dfsg-0ubuntu1.1
2:4.15.13+dfsg-0ubuntu1.2
2:4.15.13+dfsg-0ubuntu1.3
2:4.15.13+dfsg-0ubuntu1.4
2:4.15.13+dfsg-0ubuntu1.5
2:4.15.13+dfsg-0ubuntu1.6
2:4.15.13+dfsg-0ubuntu1.7
2:4.15.13+dfsg-0ubuntu1.8
2:4.15.13+dfsg-0ubuntu1.9

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ctdb",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "libnss-winbind",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "libpam-winbind",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "libsmbclient",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "libsmbclient-dev",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "libwbclient-dev",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "libwbclient0",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "python3-samba",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "registry-tools",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "samba",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "samba-common",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "samba-common-bin",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "samba-dev",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "samba-dsdb-modules",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "samba-libs",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "samba-testsuite",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "samba-vfs-modules",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "smbclient",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        },
        {
            "binary_name": "winbind",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.10"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7826-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2025-9640",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        },
        {
            "id": "CVE-2025-10230",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:24.04:LTS / samba

Package

Name
samba
Purl
pkg:deb/ubuntu/samba@2:4.19.5+dfsg-4ubuntu9.4?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.19.5+dfsg-4ubuntu9.4

Affected versions

2:4.*
2:4.18.6+dfsg-1ubuntu2
2:4.18.6+dfsg-1ubuntu2.1
2:4.18.6+dfsg-1ubuntu2.2
2:4.19.4+dfsg-3ubuntu1
2:4.19.5+dfsg-1ubuntu1
2:4.19.5+dfsg-4ubuntu7
2:4.19.5+dfsg-4ubuntu8
2:4.19.5+dfsg-4ubuntu9
2:4.19.5+dfsg-4ubuntu9.2
2:4.19.5+dfsg-4ubuntu9.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ctdb",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "ldb-tools",
            "binary_version": "2:2.8.0+samba4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "libldb-dev",
            "binary_version": "2:2.8.0+samba4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "libldb2",
            "binary_version": "2:2.8.0+samba4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "libnss-winbind",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "libpam-winbind",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "libsmbclient-dev",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "libsmbclient0",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "libwbclient-dev",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "libwbclient0",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "python3-ldb",
            "binary_version": "2:2.8.0+samba4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "python3-ldb-dev",
            "binary_version": "2:2.8.0+samba4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "python3-samba",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "registry-tools",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "samba",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "samba-ad-dc",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "samba-ad-provision",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "samba-common",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "samba-common-bin",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "samba-dev",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "samba-dsdb-modules",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "samba-libs",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "samba-testsuite",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "samba-vfs-modules",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "samba-vfs-modules-extra",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "smbclient",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        },
        {
            "binary_name": "winbind",
            "binary_version": "2:4.19.5+dfsg-4ubuntu9.4"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7826-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": [
        {
            "id": "CVE-2025-9640",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        },
        {
            "id": "CVE-2025-10230",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:25.10 / samba

Package

Name
samba
Purl
pkg:deb/ubuntu/samba@2:4.22.3+dfsg-4ubuntu2.1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.22.3+dfsg-4ubuntu2.1

Affected versions

2:4.*
2:4.21.4+dfsg-1ubuntu3
2:4.21.4+dfsg-1ubuntu4
2:4.21.4+dfsg-1ubuntu5
2:4.22.2+dfsg-1ubuntu1
2:4.22.3+dfsg-4ubuntu1
2:4.22.3+dfsg-4ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ctdb",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "ldb-tools",
            "binary_version": "2:2.11.0+samba4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "libldb-dev",
            "binary_version": "2:2.11.0+samba4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "libldb2",
            "binary_version": "2:2.11.0+samba4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "libnss-winbind",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "libpam-winbind",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "libsmbclient-dev",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "libsmbclient0",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "libtalloc-dev",
            "binary_version": "2:2.4.3+samba4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "libtalloc2",
            "binary_version": "2:2.4.3+samba4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "libtdb-dev",
            "binary_version": "2:1.4.13+samba4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "libtdb1",
            "binary_version": "2:1.4.13+samba4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "libtevent-dev",
            "binary_version": "2:0.16.2+samba4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "libtevent0t64",
            "binary_version": "2:0.16.2+samba4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "libwbclient-dev",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "libwbclient0",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "python3-ldb",
            "binary_version": "2:2.11.0+samba4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "python3-samba",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "python3-talloc",
            "binary_version": "2:2.4.3+samba4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "python3-tdb",
            "binary_version": "2:1.4.13+samba4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "registry-tools",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "samba",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "samba-ad-dc",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "samba-ad-provision",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "samba-common",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "samba-common-bin",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "samba-dev",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "samba-dsdb-modules",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "samba-libs",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "samba-testsuite",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "samba-vfs-ceph",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "samba-vfs-glusterfs",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "samba-vfs-modules",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "samba-vfs-modules-extra",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "smbclient",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "tdb-tools",
            "binary_version": "2:1.4.13+samba4.22.3+dfsg-4ubuntu2.1"
        },
        {
            "binary_name": "winbind",
            "binary_version": "2:4.22.3+dfsg-4ubuntu2.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7826-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:25.10",
    "cves": [
        {
            "id": "CVE-2025-9640",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        },
        {
            "id": "CVE-2025-10230",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}