Medium
Security advisory
A null pointer dereference flaw was found in samba's Winbind service in versions before 4.11.15, before 4.12.9 and before 4.13.1. A local user could use this flaw to crash the winbind service causing denial of service.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-14323
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:43 UTC · Revision 1
Source evidence
A null pointer dereference flaw was found in samba's Winbind service in versions before 4.11.15, before 4.12.9 and before 4.13.1. A local user could use this flaw to crash the winbind service causing denial of service.
osv:CVE-2020-14323
Complete source record
{
"id": "0deb3e9a530b5a1b46c4c2a8f30e4d7628f8321ec36765d71a2aedf736ba7c02",
"url": "https://osv.dev/vulnerability/CVE-2020-14323",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-14323",
"summary": "A null pointer dereference flaw was found in samba's Winbind service in versions before 4.11.15, before 4.12.9 and before 4.13.1. A local user could use this flaw to crash the winbind service causing denial of service.",
"evidence": "osv:CVE-2020-14323",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-14323",
"aliases": [
"CVE-2020-14323"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/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": "b1d9ddf738c6e59e489bc9c339ce6de5988b689e"
},
{
"fixed": "1819097773a381ba138f348e1f9d4b88182b6d9c"
},
{
"introduced": "21679048604ab7d74f70cc378e1dcaebbaa9d561"
},
{
"fixed": "43c7685056db075f095676873a31d46a0c47a654"
},
{
"introduced": "3fe82c204f0d88cb6db50b7bd1f798b591a918f8"
},
{
"fixed": "9e9941a843f68790cbc9089eed0c31fcac817476"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.6.0"
},
{
"fixed": "4.11.15"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.12.0"
},
{
"fixed": "4.12.9"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.13.0"
},
{
"fixed": "4.13.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"samba-4.12.8",
"samba-4.13.0",
"samba-4.12.6",
"samba-4.12.5",
"samba-4.12.3",
"ldb-2.1.3",
"samba-4.12.1",
"samba-4.12.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-14323.json"
}
}
],
"modified": "2026-10-24T10:30:32.876515672Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2024/04/msg00015.html",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JE2M4FE3N3EDXVG4UKSVFPL7SQUGFFDP/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6HM73N4NEGFW5GIJJGGP6ZZBS6GTXPB/",
"https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html",
"https://security.gentoo.org/glsa/202012-24",
"https://security.netapp.com/advisory/ntap-20201103-0001/",
"https://www.samba.org/samba/security/CVE-2020-14323.html",
"https://bugzilla.redhat.com/show_bug.cgi?id=1891685"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "32"
},
{
"last_affected": "32"
},
{
"introduced": "33"
},
{
"last_affected": "33"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*",
"cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*"
],
"vendor_product": "opensuse:leap",
"extracted_events": [
{
"range": [
{
"introduced": "15.1"
},
{
"last_affected": "15.1"
},
{
"introduced": "15.2"
},
{
"last_affected": "15.2"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-14323",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 433119,
"published_at": "2020-10-29T20:15:17.117+00:00"
}