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nfs-ganesha — security advisory
nfs-ganesha: 9P TWALK component count stack buffer overflow
- Products
- nfs-ganesha
- Affected versions
- 2.4.5-2, 2.5.2-1, 2.5.4-1, 2.6.0-2, 2.7.6-1, 2.7.6-2, 2.7.6-3, 3.0.3-0ubuntu1, 3.0.3-0ubuntu2, 3.0.3-0ubuntu3, 3.0.3-0ubuntu3.1, 3.0.3-0ubuntu3.2, 3.4-1ubuntu3, 3.4-1ubuntu4, 3.4-2ubuntu1, 3.5-1, 3.5-1build1, 3.5-1ubuntu1, 4.3-2, 4.3-5, 4.3-8, 4.3-8build1, 4.3-8ubuntu1, 6.5-5, 6.5-6, 6.5-7, 6.5-8, 9.14-1
- Fixed versions
- Not specified
- CVEs
- CVE-2026-105516
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 19:31 UTC · Revision 1
Source evidence
nfs-ganesha: 9P TWALK component count stack buffer overflow
osv:UBUNTU-CVE-2026-105516
nfs-ganesha
Fixed versions: Not specified
nfs-ganesha
Fixed versions: Not specified
nfs-ganesha
Fixed versions: Not specified
nfs-ganesha
Fixed versions: Not specified
nfs-ganesha
Fixed versions: Not specified
nfs-ganesha
Fixed versions: Not specified
Complete source record
{
"id": "4cb5d1f7a1806e858316189f66f5ebc2308381f8fdbd8dfa33e7f0c8c685199e",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-105516",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-105516",
"summary": "nfs-ganesha: 9P TWALK component count stack buffer overflow",
"evidence": "osv:UBUNTU-CVE-2026-105516",
"products": [
{
"name": {
"value": "nfs-ganesha",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.4.5-2",
"evidence": "/affected/0/versions"
},
{
"value": "2.5.2-1",
"evidence": "/affected/0/versions"
},
{
"value": "2.5.4-1",
"evidence": "/affected/0/versions"
},
{
"value": "2.6.0-2",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "nfs-ganesha",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.7.6-1",
"evidence": "/affected/1/versions"
},
{
"value": "2.7.6-2",
"evidence": "/affected/1/versions"
},
{
"value": "2.7.6-3",
"evidence": "/affected/1/versions"
},
{
"value": "3.0.3-0ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "3.0.3-0ubuntu2",
"evidence": "/affected/1/versions"
},
{
"value": "3.0.3-0ubuntu3",
"evidence": "/affected/1/versions"
},
{
"value": "3.0.3-0ubuntu3.1",
"evidence": "/affected/1/versions"
},
{
"value": "3.0.3-0ubuntu3.2",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "nfs-ganesha",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.4-1ubuntu3",
"evidence": "/affected/2/versions"
},
{
"value": "3.4-1ubuntu4",
"evidence": "/affected/2/versions"
},
{
"value": "3.4-2ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "3.5-1",
"evidence": "/affected/2/versions"
},
{
"value": "3.5-1build1",
"evidence": "/affected/2/versions"
},
{
"value": "3.5-1ubuntu1",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "nfs-ganesha",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.3-2",
"evidence": "/affected/3/versions"
},
{
"value": "4.3-5",
"evidence": "/affected/3/versions"
},
{
"value": "4.3-8",
"evidence": "/affected/3/versions"
},
{
"value": "4.3-8build1",
"evidence": "/affected/3/versions"
},
{
"value": "4.3-8ubuntu1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "nfs-ganesha",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "6.5-8",
"evidence": "/affected/4/versions"
},
{
"value": "9.14-1",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "nfs-ganesha",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "6.5-5",
"evidence": "/affected/5/versions"
},
{
"value": "6.5-6",
"evidence": "/affected/5/versions"
},
{
"value": "6.5-7",
"evidence": "/affected/5/versions"
},
{
"value": "6.5-8",
"evidence": "/affected/5/versions"
}
]
}
],
"severity": "unknown",
"structured": {
"id": "UBUNTU-CVE-2026-105516",
"aliases": [
"UBUNTU-CVE-2026-105516"
],
"metrics": [
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "nfs-ganesha",
"purl": "pkg:deb/ubuntu/nfs-ganesha?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"2.4.5-2",
"2.5.2-1",
"2.5.4-1",
"2.6.0-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105516.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "nfs-ganesha",
"binary_version": "2.6.0-2"
},
{
"binary_name": "nfs-ganesha-ceph",
"binary_version": "2.6.0-2"
},
{
"binary_name": "nfs-ganesha-gluster",
"binary_version": "2.6.0-2"
},
{
"binary_name": "nfs-ganesha-gpfs",
"binary_version": "2.6.0-2"
},
{
"binary_name": "nfs-ganesha-mem",
"binary_version": "2.6.0-2"
},
{
"binary_name": "nfs-ganesha-mount-9p",
"binary_version": "2.6.0-2"
},
{
"binary_name": "nfs-ganesha-nullfs",
"binary_version": "2.6.0-2"
},
{
"binary_name": "nfs-ganesha-proxy",
"binary_version": "2.6.0-2"
},
{
"binary_name": "nfs-ganesha-vfs",
"binary_version": "2.6.0-2"
},
{
"binary_name": "nfs-ganesha-xfs",
"binary_version": "2.6.0-2"
},
{
"binary_name": "python-nfs-ganesha",
"binary_version": "2.6.0-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "nfs-ganesha",
"purl": "pkg:deb/ubuntu/nfs-ganesha?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"2.7.6-1",
"2.7.6-2",
"2.7.6-3",
"3.0.3-0ubuntu1",
"3.0.3-0ubuntu2",
"3.0.3-0ubuntu3",
"3.0.3-0ubuntu3.1",
"3.0.3-0ubuntu3.2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105516.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "nfs-ganesha",
"binary_version": "3.0.3-0ubuntu3.2"
},
{
"binary_name": "nfs-ganesha-ceph",
"binary_version": "3.0.3-0ubuntu3.2"
},
{
"binary_name": "nfs-ganesha-gluster",
"binary_version": "3.0.3-0ubuntu3.2"
},
{
"binary_name": "nfs-ganesha-gpfs",
"binary_version": "3.0.3-0ubuntu3.2"
},
{
"binary_name": "nfs-ganesha-mem",
"binary_version": "3.0.3-0ubuntu3.2"
},
{
"binary_name": "nfs-ganesha-mount-9p",
"binary_version": "3.0.3-0ubuntu3.2"
},
{
"binary_name": "nfs-ganesha-nullfs",
"binary_version": "3.0.3-0ubuntu3.2"
},
{
"binary_name": "nfs-ganesha-proxy",
"binary_version": "3.0.3-0ubuntu3.2"
},
{
"binary_name": "nfs-ganesha-rados-grace",
"binary_version": "3.0.3-0ubuntu3.2"
},
{
"binary_name": "nfs-ganesha-vfs",
"binary_version": "3.0.3-0ubuntu3.2"
},
{
"binary_name": "nfs-ganesha-xfs",
"binary_version": "3.0.3-0ubuntu3.2"
},
{
"binary_name": "python3-nfs-ganesha",
"binary_version": "3.0.3-0ubuntu3.2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
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}
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],
"package": {
"name": "nfs-ganesha",
"purl": "pkg:deb/ubuntu/nfs-ganesha?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"3.4-1ubuntu3",
"3.4-1ubuntu4",
"3.4-2ubuntu1",
"3.5-1",
"3.5-1build1",
"3.5-1ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105516.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "nfs-ganesha",
"binary_version": "3.5-1ubuntu1"
},
{
"binary_name": "nfs-ganesha-ceph",
"binary_version": "3.5-1ubuntu1"
},
{
"binary_name": "nfs-ganesha-gluster",
"binary_version": "3.5-1ubuntu1"
},
{
"binary_name": "nfs-ganesha-gpfs",
"binary_version": "3.5-1ubuntu1"
},
{
"binary_name": "nfs-ganesha-mem",
"binary_version": "3.5-1ubuntu1"
},
{
"binary_name": "nfs-ganesha-mount-9p",
"binary_version": "3.5-1ubuntu1"
},
{
"binary_name": "nfs-ganesha-nullfs",
"binary_version": "3.5-1ubuntu1"
},
{
"binary_name": "nfs-ganesha-proxy",
"binary_version": "3.5-1ubuntu1"
},
{
"binary_name": "nfs-ganesha-rados-grace",
"binary_version": "3.5-1ubuntu1"
},
{
"binary_name": "nfs-ganesha-rgw",
"binary_version": "3.5-1ubuntu1"
},
{
"binary_name": "nfs-ganesha-vfs",
"binary_version": "3.5-1ubuntu1"
},
{
"binary_name": "python3-nfs-ganesha",
"binary_version": "3.5-1ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "nfs-ganesha",
"purl": "pkg:deb/ubuntu/nfs-ganesha?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"4.3-2",
"4.3-5",
"4.3-8",
"4.3-8build1",
"4.3-8ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105516.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "nfs-ganesha",
"binary_version": "4.3-8ubuntu1"
},
{
"binary_name": "nfs-ganesha-ceph",
"binary_version": "4.3-8ubuntu1"
},
{
"binary_name": "nfs-ganesha-gluster",
"binary_version": "4.3-8ubuntu1"
},
{
"binary_name": "nfs-ganesha-gpfs",
"binary_version": "4.3-8ubuntu1"
},
{
"binary_name": "nfs-ganesha-mem",
"binary_version": "4.3-8ubuntu1"
},
{
"binary_name": "nfs-ganesha-mount-9p",
"binary_version": "4.3-8ubuntu1"
},
{
"binary_name": "nfs-ganesha-nullfs",
"binary_version": "4.3-8ubuntu1"
},
{
"binary_name": "nfs-ganesha-proxy-v4",
"binary_version": "4.3-8ubuntu1"
},
{
"binary_name": "nfs-ganesha-rados-grace",
"binary_version": "4.3-8ubuntu1"
},
{
"binary_name": "nfs-ganesha-rgw",
"binary_version": "4.3-8ubuntu1"
},
{
"binary_name": "nfs-ganesha-vfs",
"binary_version": "4.3-8ubuntu1"
},
{
"binary_name": "python3-nfs-ganesha",
"binary_version": "4.3-8ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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}
]
}
],
"package": {
"name": "nfs-ganesha",
"purl": "pkg:deb/ubuntu/nfs-ganesha?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"6.5-8",
"9.14-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105516.json"
},
"ecosystem_specific": {
"binaries": [
{
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},
{
"binary_name": "nfs-ganesha-ceph",
"binary_version": "9.14-1"
},
{
"binary_name": "nfs-ganesha-gluster",
"binary_version": "9.14-1"
},
{
"binary_name": "nfs-ganesha-gpfs",
"binary_version": "9.14-1"
},
{
"binary_name": "nfs-ganesha-mem",
"binary_version": "9.14-1"
},
{
"binary_name": "nfs-ganesha-mount-9p",
"binary_version": "9.14-1"
},
{
"binary_name": "nfs-ganesha-nullfs",
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},
{
"binary_name": "nfs-ganesha-proxy-v4",
"binary_version": "9.14-1"
},
{
"binary_name": "nfs-ganesha-rados-grace",
"binary_version": "9.14-1"
},
{
"binary_name": "nfs-ganesha-rgw",
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},
{
"binary_name": "nfs-ganesha-vfs",
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},
{
"binary_name": "python3-nfs-ganesha",
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}
]
}
},
{
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],
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"purl": "pkg:deb/ubuntu/nfs-ganesha?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"6.5-5",
"6.5-6",
"6.5-7",
"6.5-8"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105516.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "nfs-ganesha",
"binary_version": "6.5-8"
},
{
"binary_name": "nfs-ganesha-ceph",
"binary_version": "6.5-8"
},
{
"binary_name": "nfs-ganesha-gluster",
"binary_version": "6.5-8"
},
{
"binary_name": "nfs-ganesha-gpfs",
"binary_version": "6.5-8"
},
{
"binary_name": "nfs-ganesha-mem",
"binary_version": "6.5-8"
},
{
"binary_name": "nfs-ganesha-mount-9p",
"binary_version": "6.5-8"
},
{
"binary_name": "nfs-ganesha-nullfs",
"binary_version": "6.5-8"
},
{
"binary_name": "nfs-ganesha-proxy-v4",
"binary_version": "6.5-8"
},
{
"binary_name": "nfs-ganesha-rados-grace",
"binary_version": "6.5-8"
},
{
"binary_name": "nfs-ganesha-rgw",
"binary_version": "6.5-8"
},
{
"binary_name": "nfs-ganesha-vfs",
"binary_version": "6.5-8"
},
{
"binary_name": "python3-nfs-ganesha",
"binary_version": "6.5-8"
}
]
}
}
],
"modified": "2026-10-22T23:19:38.699973546Z",
"provider": "osv",
"upstream": [
"CVE-2026-105516"
],
"references": [
"https://ubuntu.com/security/CVE-2026-105516",
"https://www.cve.org/CVERecord?id=CVE-2026-105516"
]
},
"related_cves": [
{
"value": "CVE-2026-105516",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 410107,
"published_at": "2026-10-09T00:00:00+00:00"
}