Medium
Security advisory
A use-after-free flaw was found in the way samba AD DC LDAP servers, handled 'Paged Results' control is combined with the 'ASQ' control. A malicious user in a samba AD could use this flaw to cause denial of service. This issue affects all samba versions before 4.10.15, before 4.11.8 and before 4.12.2.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-10700
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:41 UTC · Revision 1
Source evidence
A use-after-free flaw was found in the way samba AD DC LDAP servers, handled 'Paged Results' control is combined with the 'ASQ' control. A malicious user in a samba AD could use this flaw to cause denial of service. This issue affects all samba versions before 4.10.15, before 4.11.8 and before 4.12.2.
osv:CVE-2020-10700
Complete source record
{
"id": "ca37863c37fdfe6ee1ed30127a9d0b1941117dfca5d030bc3a486c570b866f68",
"url": "https://osv.dev/vulnerability/CVE-2020-10700",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-10700",
"summary": "A use-after-free flaw was found in the way samba AD DC LDAP servers, handled 'Paged Results' control is combined with the 'ASQ' control. A malicious user in a samba AD could use this flaw to cause denial of service. This issue affects all samba versions before 4.10.15, before 4.11.8 and before 4.12.2.",
"evidence": "osv:CVE-2020-10700",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-10700",
"aliases": [
"CVE-2020-10700"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/samba-team/samba",
"type": "GIT",
"events": [
{
"introduced": "25f2fe02a615e2cf906b6fa495acd8ea0aa9998a"
},
{
"fixed": "b98108ff760f6a56075026926e0e8efadbec4d41"
},
{
"introduced": "d60cf580825819f11de9e50ec4c4ce591d695ad9"
},
{
"fixed": "86c951a1336b2073f35c9ccc16673b6f99251fcc"
},
{
"introduced": "21679048604ab7d74f70cc378e1dcaebbaa9d561"
},
{
"fixed": "ee9600d8a8f244c9417f0819ee17b21ea84ed94a"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.10.0"
},
{
"fixed": "4.10.15"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.11.0"
},
{
"fixed": "4.11.8"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.12.0"
},
{
"fixed": "4.12.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"ldb-2.1.2",
"samba-4.12.1",
"ldb-2.0.10",
"samba-4.11.7",
"ldb-1.5.7",
"samba-4.10.14",
"samba-4.12.0",
"ldb-2.0.9",
"samba-4.11.6",
"samba-4.10.13",
"samba-4.11.4",
"ldb-2.0.8",
"samba-4.10.9",
"samba-4.11.1",
"samba-4.11.0",
"samba-4.10.7",
"ldb-1.5.6",
"samba-4.10.6",
"ldb-1.5.5",
"samba-4.10.1",
"samba-4.10.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-10700.json"
}
}
],
"modified": "2026-10-24T10:30:32.290910527Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U5KW3ZO35NVDO57JSBZHTQZOS3AIQ5QE/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WG54NRMES2GTURZKZH6H4BGXCD3OMJDJ/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y7DVGCHG3XPIBQ5ETGMGW7MXNOO4HFH4/",
"https://security.gentoo.org/glsa/202007-15",
"https://www.samba.org/samba/security/CVE-2020-10700.html",
"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10700"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "30"
},
{
"last_affected": "30"
},
{
"introduced": "31"
},
{
"last_affected": "31"
},
{
"introduced": "32"
},
{
"last_affected": "32"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*"
],
"vendor_product": "opensuse:leap",
"extracted_events": [
{
"range": [
{
"introduced": "15.2"
},
{
"last_affected": "15.2"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-10700",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 433001,
"published_at": "2020-05-04T21:15:11.82+00:00"
}