HighFix available
samba — security advisory
A flaw was found in Samba. The security vulnerability occurs when KDC and the kpasswd service share a single account and set of keys, allowing them to decrypt each other's tickets. A user who has been requested to change their password, can exploit this flaw to obtain and use tickets to other services.
- Products
- samba
- Affected versions
- Not specified
- Fixed versions
- 4.14.14-r0, 4.15.12-r0, 4.15.9-r0
- CVEs
- CVE-2022-2031
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 14:09 UTC · Revision 1
Source evidence
A flaw was found in Samba. The security vulnerability occurs when KDC and the kpasswd service share a single account and set of keys, allowing them to decrypt each other's tickets. A user who has been requested to change their password, can exploit this flaw to obtain and use tickets to other services.
osv:ALPINE-CVE-2022-2031
samba
Fixed versions: 4.14.14-r0
samba
Fixed versions: 4.15.12-r0
samba
Fixed versions: 4.15.12-r0
samba
Fixed versions: 4.15.9-r0
samba
Fixed versions: 4.15.9-r0
samba
Fixed versions: 4.15.9-r0
samba
Fixed versions: 4.15.9-r0
samba
Fixed versions: 4.15.9-r0
samba
Fixed versions: 4.15.9-r0
samba
Fixed versions: 4.15.9-r0
samba
Fixed versions: 4.15.9-r0
Complete source record
{
"id": "1398b1399f6a64e521f05bf4a515681a1847e2172eb303f201a139e147c389da",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2022-2031",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2022-2031",
"summary": "A flaw was found in Samba. The security vulnerability occurs when KDC and the kpasswd service share a single account and set of keys, allowing them to decrypt each other's tickets. A user who has been requested to change their password, can exploit this flaw to obtain and use tickets to other services.",
"evidence": "osv:ALPINE-CVE-2022-2031",
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{
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],
"severity": "high",
"structured": {
"id": "ALPINE-CVE-2022-2031",
"aliases": [
"ALPINE-CVE-2022-2031"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
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"events": [
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{
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}
],
"package": {
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"purl": "pkg:apk/alpine/samba?arch=source",
"ecosystem": "Alpine:v3.14"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-2031.json"
},
"ecosystem_specific": {}
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{
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"package": {
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},
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},
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"package": {
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},
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],
"package": {
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],
"package": {
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"ecosystem": "Alpine:v3.18"
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"package": {
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"package": {
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},
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],
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},
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],
"package": {
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},
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],
"package": {
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},
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],
"modified": "2026-10-15T07:17:54.156248164Z",
"provider": "osv",
"upstream": [
"CVE-2022-2031"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2022-2031"
]
},
"related_cves": [
{
"value": "CVE-2022-2031",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 321651,
"published_at": "2022-08-25T18:15:09.837+00:00"
}