MediumFix available
libssh — security advisory
A malicious SCP server can send unexpected paths that could make the client application override local files outside of working directory. This could be misused to create malicious executable or configuration files and make the user execute them under specific consequences. This is the same issue as in OpenSSH, tracked as CVE-2019-6111.
- Products
- libssh
- Affected versions
- 0.10.5-2, 0.10.5-3, 0.10.5-3+hurd.1, 0.10.6-0+deb12u1, 0.10.6-0+deb12u2, 0.11.2-1, 0.11.2-1+deb13u1, 0.11.3-1
- Fixed versions
- 0.10.6-0+deb12u3, 0.11.5-0+deb13u1, 0.12.0-1
- CVEs
- CVE-2026-0964
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 13:25 UTC · Revision 1
Source evidence
A malicious SCP server can send unexpected paths that could make the client application override local files outside of working directory. This could be misused to create malicious executable or configuration files and make the user execute them under specific consequences. This is the same issue as in OpenSSH, tracked as CVE-2019-6111.
osv:DEBIAN-CVE-2026-0964
libssh
Fixed versions: 0.10.6-0+deb12u3
libssh
Fixed versions: 0.11.5-0+deb13u1
libssh
Fixed versions: 0.12.0-1
Complete source record
{
"id": "9bf504e7710dc93b87522c93d59de6bf33d666a89cff81ecfa57c82ae569d0d1",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-0964",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-0964",
"summary": "A malicious SCP server can send unexpected paths that could make the client application override local files outside of working directory. This could be misused to create malicious executable or configuration files and make the user execute them under specific consequences. This is the same issue as in OpenSSH, tracked as CVE-2019-6111.",
"evidence": "osv:DEBIAN-CVE-2026-0964",
"products": [
{
"name": {
"value": "libssh",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.10.6-0+deb12u3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "0.10.5-2",
"evidence": "/affected/0/versions"
},
{
"value": "0.10.5-3",
"evidence": "/affected/0/versions"
},
{
"value": "0.10.5-3+hurd.1",
"evidence": "/affected/0/versions"
},
{
"value": "0.10.6-0+deb12u1",
"evidence": "/affected/0/versions"
},
{
"value": "0.10.6-0+deb12u2",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "libssh",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.11.5-0+deb13u1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": [
{
"value": "0.11.2-1",
"evidence": "/affected/1/versions"
},
{
"value": "0.11.2-1+deb13u1",
"evidence": "/affected/1/versions"
},
{
"value": "0.11.3-1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "libssh",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.12.0-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "0.11.2-1",
"evidence": "/affected/2/versions"
},
{
"value": "0.11.3-1",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2026-0964",
"aliases": [
"DEBIAN-CVE-2026-0964"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.10.6-0+deb12u3"
}
]
}
],
"package": {
"name": "libssh",
"purl": "pkg:deb/debian/libssh?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"0.10.5-2",
"0.10.5-3",
"0.10.5-3+hurd.1",
"0.10.6-0+deb12u1",
"0.10.6-0+deb12u2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-0964.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.11.5-0+deb13u1"
}
]
}
],
"package": {
"name": "libssh",
"purl": "pkg:deb/debian/libssh?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"0.11.2-1",
"0.11.2-1+deb13u1",
"0.11.3-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-0964.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.12.0-1"
}
]
}
],
"package": {
"name": "libssh",
"purl": "pkg:deb/debian/libssh?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"0.11.2-1",
"0.11.3-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-0964.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-20T21:00:05.923649945Z",
"provider": "osv",
"upstream": [
"CVE-2026-0964"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-0964"
]
},
"related_cves": [
{
"value": "CVE-2026-0964",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 390698,
"published_at": "2026-03-26T21:17:00.393+00:00"
}