USN-7826-1 fixed vulnerabilities in Samba. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
Original advisory 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)
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"availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7826-2.json"
{
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"cves": [
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
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{
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{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2025-10230"
}
]
}
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"binary_name": "samba-dsdb-modules",
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{
"binary_name": "winbind",
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"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7826-2.json"
{
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"cves": [
{
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{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
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{
"score": "low",
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"id": "CVE-2025-9640"
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"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2025-10230"
}
]
}
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"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
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"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7826-2.json"
{
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"cves": [
{
"severity": [
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"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
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"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7826-2.json"
{
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"cves": [
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
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{
"score": "low",
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"id": "CVE-2025-9640"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2025-10230"
}
]
}