Medium
Security advisory
Samba 4.9.x before 4.9.9 and 4.10.x before 4.10.5 has a NULL pointer dereference, leading to Denial of Service. This is related to the AD DC DNS management server (dnsserver) RPC server process.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-12435
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:13 UTC · Revision 1
Source evidence
Samba 4.9.x before 4.9.9 and 4.10.x before 4.10.5 has a NULL pointer dereference, leading to Denial of Service. This is related to the AD DC DNS management server (dnsserver) RPC server process.
osv:CVE-2019-12435
Complete source record
{
"id": "359938510e66f578b9eecfc6ffb1ed9d1f6182f2789d3e289521f751c9c2c63a",
"url": "https://osv.dev/vulnerability/CVE-2019-12435",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-12435",
"summary": "Samba 4.9.x before 4.9.9 and 4.10.x before 4.10.5 has a NULL pointer dereference, leading to Denial of Service. This is related to the AD DC DNS management server (dnsserver) RPC server process.",
"evidence": "osv:CVE-2019-12435",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2019-12435",
"aliases": [
"CVE-2019-12435"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/samba-team/samba",
"type": "GIT",
"events": [
{
"introduced": "4fc4ae2924aaa2fc184b7385069274526fa8a4c2"
},
{
"fixed": "e6e7c8cada481f79fb899e372fa2f34d35e14637"
},
{
"introduced": "25f2fe02a615e2cf906b6fa495acd8ea0aa9998a"
},
{
"fixed": "0953917629bb2e21a41013f50def0c9402d5399a"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.9.0"
},
{
"fixed": "4.9.9"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.10.0"
},
{
"fixed": "4.10.5"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"samba-4.10.4",
"samba-4.9.8",
"samba-4.9.7",
"samba-4.10.1",
"samba-4.9.5",
"samba-4.10.0",
"ldb-1.4.6",
"ldb-1.4.5",
"ldb-1.4.4",
"samba-4.9.4",
"samba-4.9.2",
"ldb-1.4.3",
"samba-4.9.1",
"samba-4.9.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-12435.json"
}
}
],
"modified": "2026-10-24T10:30:15.456593648Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QSG3TLPZP35RH5DWAIDC7MHXRK5DFKOE/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQ3LCJNJ3ONHIRKDSKOTT6QGXALLCHVG/",
"https://usn.ubuntu.com/4018-1/",
"https://www.samba.org/samba/security/CVE-2019-12435.html",
"https://www.synology.com/security/advisory/Synology_SA_19_27"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2019-12435",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 429152,
"published_at": "2019-06-19T12:15:10.14+00:00"
}