HighFix available
samba — security advisory
A flaw was found when using samba as an Active Directory Domain Controller. Due to the way samba handles certain requests as an Active Directory Domain Controller LDAP server, an unauthorized user can cause a stack overflow leading to a denial of service. The highest threat from this vulnerability is to system availability. This issue affects all samba versions before 4.10.15, before 4.11.8 and before 4.12.2.
- Products
- samba
- Affected versions
- Not specified
- Fixed versions
- 4.10.15-r0, 4.11.8-r0, 4.12.2-r0
- CVEs
- CVE-2020-10704
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 12:00 UTC · Revision 1
Source evidence
A flaw was found when using samba as an Active Directory Domain Controller. Due to the way samba handles certain requests as an Active Directory Domain Controller LDAP server, an unauthorized user can cause a stack overflow leading to a denial of service. The highest threat from this vulnerability is to system availability. This issue affects all samba versions before 4.10.15, before 4.11.8 and before 4.12.2.
osv:ALPINE-CVE-2020-10704
samba
Fixed versions: 4.10.15-r0
samba
Fixed versions: 4.11.8-r0
samba
Fixed versions: 4.12.2-r0
samba
Fixed versions: 4.12.2-r0
samba
Fixed versions: 4.12.2-r0
samba
Fixed versions: 4.12.2-r0
samba
Fixed versions: 4.12.2-r0
samba
Fixed versions: 4.12.2-r0
samba
Fixed versions: 4.12.2-r0
samba
Fixed versions: 4.12.2-r0
samba
Fixed versions: 4.12.2-r0
samba
Fixed versions: 4.12.2-r0
samba
Fixed versions: 4.12.2-r0
samba
Fixed versions: 4.12.2-r0
samba
Fixed versions: 4.12.2-r0
Complete source record
{
"id": "e9248d72c245e825eb2403b8376cdd96eeba951a91b751b1d3adb599ced476b8",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-10704",
"method": "structured",
"payload": {
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"title": "ALPINE-CVE-2020-10704",
"summary": "A flaw was found when using samba as an Active Directory Domain Controller. Due to the way samba handles certain requests as an Active Directory Domain Controller LDAP server, an unauthorized user can cause a stack overflow leading to a denial of service. The highest threat from this vulnerability is to system availability. This issue affects all samba versions before 4.10.15, before 4.11.8 and before 4.12.2.",
"evidence": "osv:ALPINE-CVE-2020-10704",
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"severity": "high",
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"aliases": [
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],
"modified": "2026-10-26T11:17:55.096544587Z",
"provider": "osv",
"upstream": [
"CVE-2020-10704"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2020-10704"
]
},
"related_cves": [
{
"value": "CVE-2020-10704",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 450336,
"published_at": "2020-05-06T14:15:10.817+00:00"
}