HighFix available
dropbear — security advisory
scp.c in Dropbear before 2020.79 mishandles the filename of . or an empty filename, a related issue to CVE-2018-20685.
- Products
- dropbear
- Affected versions
- Not specified
- Fixed versions
- 2019.78-r1
- CVEs
- CVE-2020-36254
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 12:11 UTC · Revision 1
Source evidence
scp.c in Dropbear before 2020.79 mishandles the filename of . or an empty filename, a related issue to CVE-2018-20685.
osv:ALPINE-CVE-2020-36254
dropbear
Fixed versions: 2019.78-r1
dropbear
Fixed versions: 2019.78-r1
dropbear
Fixed versions: 2019.78-r1
Complete source record
{
"id": "22c60f55d3e377e9d0fbe4d987771fd20313271a7db51ea1ac459cac98d5d17c",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-36254",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2020-36254",
"summary": "scp.c in Dropbear before 2020.79 mishandles the filename of . or an empty filename, a related issue to CVE-2018-20685.",
"evidence": "osv:ALPINE-CVE-2020-36254",
"products": [
{
"name": {
"value": "dropbear",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2019.78-r1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "dropbear",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2019.78-r1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "dropbear",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2019.78-r1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "ALPINE-CVE-2020-36254",
"aliases": [
"ALPINE-CVE-2020-36254"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2019.78-r1"
}
]
}
],
"package": {
"name": "dropbear",
"purl": "pkg:apk/alpine/dropbear?arch=source",
"ecosystem": "Alpine:v3.10"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-36254.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2019.78-r1"
}
]
}
],
"package": {
"name": "dropbear",
"purl": "pkg:apk/alpine/dropbear?arch=source",
"ecosystem": "Alpine:v3.11"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-36254.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2019.78-r1"
}
]
}
],
"package": {
"name": "dropbear",
"purl": "pkg:apk/alpine/dropbear?arch=source",
"ecosystem": "Alpine:v3.12"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-36254.json"
},
"ecosystem_specific": {}
}
],
"modified": "2026-10-26T11:17:55.175661333Z",
"provider": "osv",
"upstream": [
"CVE-2020-36254"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2020-36254"
]
},
"related_cves": [
{
"value": "CVE-2020-36254",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 450650,
"published_at": "2021-02-25T09:15:13.037+00:00"
}