HighFix available
curl — security advisory
When doing a second SMB request to the same host again, curl would wrongly use a data pointer pointing into already freed memory.
- Products
- curl
- Affected versions
- Not specified
- Fixed versions
- 8.14.1-r3, 8.14.1-r4, 8.19.0-r0
- CVEs
- CVE-2026-3805
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 06:41 UTC · Revision 1
Source evidence
When doing a second SMB request to the same host again, curl would wrongly use a data pointer pointing into already freed memory.
osv:ALPINE-CVE-2026-3805
curl
Fixed versions: 8.14.1-r3
curl
Fixed versions: 8.14.1-r4
curl
Fixed versions: 8.19.0-r0
curl
Fixed versions: 8.19.0-r0
Complete source record
{
"id": "1d642bba5455fae3076ac9c2ad189bf1aa6e1d6991e7c90dbacbaba96fdd0f78",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2026-3805",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2026-3805",
"summary": "When doing a second SMB request to the same host again, curl would wrongly use a data pointer pointing into already freed memory.",
"evidence": "osv:ALPINE-CVE-2026-3805",
"products": [
{
"name": {
"value": "curl",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.14.1-r3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "curl",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.14.1-r4",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "curl",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.19.0-r0",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "curl",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.19.0-r0",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "ALPINE-CVE-2026-3805",
"aliases": [
"ALPINE-CVE-2026-3805"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "8.13.0"
},
{
"fixed": "8.14.1-r3"
}
]
}
],
"package": {
"name": "curl",
"purl": "pkg:apk/alpine/curl?arch=source",
"ecosystem": "Alpine:v3.21"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-3805.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "8.13.0"
},
{
"fixed": "8.14.1-r4"
}
]
}
],
"package": {
"name": "curl",
"purl": "pkg:apk/alpine/curl?arch=source",
"ecosystem": "Alpine:v3.22"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-3805.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "8.13.0"
},
{
"fixed": "8.19.0-r0"
}
]
}
],
"package": {
"name": "curl",
"purl": "pkg:apk/alpine/curl?arch=source",
"ecosystem": "Alpine:v3.23"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-3805.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "8.13.0"
},
{
"fixed": "8.19.0-r0"
}
]
}
],
"package": {
"name": "curl",
"purl": "pkg:apk/alpine/curl?arch=source",
"ecosystem": "Alpine:v3.24"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-3805.json"
},
"ecosystem_specific": {}
}
],
"modified": "2026-10-18T12:30:04.086093527Z",
"provider": "osv",
"upstream": [
"CVE-2026-3805"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2026-3805"
]
},
"related_cves": [
{
"value": "CVE-2026-3805",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 370045,
"published_at": "2026-03-11T11:16:00.967+00:00"
}