HighFix available
wpa — security advisory
An issue in wpa_supplicant all versions before v.2.12 allows a local attacker to bypass proper network context and AKMP matching for PMKSA caching via missing validation in the driver based PMKSA selection path in wpa.c
- Products
- wpa
- Affected versions
- 2:2.10-12, 2:2.10-12+deb12u1, 2:2.10-12+deb12u2, 2:2.10-12+deb12u3, 2:2.10-13, 2:2.10-14, 2:2.10-15, 2:2.10-16, 2:2.10-17, 2:2.10-18, 2:2.10-20, 2:2.10-21, 2:2.10-21.1, 2:2.10-22, 2:2.10-23, 2:2.10-24, 2:2.10-25, 2:2.11-1, 2:2.11-2, 2:2.11-3, 2:2.11-4
- Fixed versions
- 2:2.11-4
- CVEs
- CVE-2026-78807
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 03:49 UTC · Revision 1
Source evidence
An issue in wpa_supplicant all versions before v.2.12 allows a local attacker to bypass proper network context and AKMP matching for PMKSA caching via missing validation in the driver based PMKSA selection path in wpa.c
osv:DEBIAN-CVE-2026-78807
wpa
Fixed versions: Not specified
wpa
Fixed versions: Not specified
wpa
Fixed versions: 2:2.11-4
Complete source record
{
"id": "5eea6b134064d5066cd1562579c7dfbf2d8d3e813be2d43cdfc7ee27f525854f",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-78807",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-78807",
"summary": "An issue in wpa_supplicant all versions before v.2.12 allows a local attacker to bypass proper network context and AKMP matching for PMKSA caching via missing validation in the driver based PMKSA selection path in wpa.c",
"evidence": "osv:DEBIAN-CVE-2026-78807",
"products": [
{
"name": {
"value": "wpa",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2:2.10-12",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.10-12+deb12u1",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.10-12+deb12u2",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.10-12+deb12u3",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.10-13",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.10-14",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.10-15",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.10-16",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.10-17",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.10-18",
"evidence": "/affected/0/versions"
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{
"value": "2:2.10-20",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.10-21",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.10-21.1",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.10-22",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.10-23",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.10-24",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.10-25",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.11-1",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.11-2",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.11-3",
"evidence": "/affected/0/versions"
},
{
"value": "2:2.11-4",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "wpa",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2:2.10-24",
"evidence": "/affected/1/versions"
},
{
"value": "2:2.10-25",
"evidence": "/affected/1/versions"
},
{
"value": "2:2.11-1",
"evidence": "/affected/1/versions"
},
{
"value": "2:2.11-2",
"evidence": "/affected/1/versions"
},
{
"value": "2:2.11-3",
"evidence": "/affected/1/versions"
},
{
"value": "2:2.11-4",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "wpa",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:2.11-4",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "2:2.10-24",
"evidence": "/affected/2/versions"
},
{
"value": "2:2.10-25",
"evidence": "/affected/2/versions"
},
{
"value": "2:2.11-1",
"evidence": "/affected/2/versions"
},
{
"value": "2:2.11-2",
"evidence": "/affected/2/versions"
},
{
"value": "2:2.11-3",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2026-78807",
"aliases": [
"DEBIAN-CVE-2026-78807"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "wpa",
"purl": "pkg:deb/debian/wpa?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"2:2.10-12",
"2:2.10-12+deb12u1",
"2:2.10-12+deb12u2",
"2:2.10-12+deb12u3",
"2:2.10-13",
"2:2.10-14",
"2:2.10-15",
"2:2.10-16",
"2:2.10-17",
"2:2.10-18",
"2:2.10-20",
"2:2.10-21",
"2:2.10-21.1",
"2:2.10-22",
"2:2.10-23",
"2:2.10-24",
"2:2.10-25",
"2:2.11-1",
"2:2.11-2",
"2:2.11-3",
"2:2.11-4"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-78807.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "wpa",
"purl": "pkg:deb/debian/wpa?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"2:2.10-24",
"2:2.10-25",
"2:2.11-1",
"2:2.11-2",
"2:2.11-3",
"2:2.11-4"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-78807.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:2.11-4"
}
]
}
],
"package": {
"name": "wpa",
"purl": "pkg:deb/debian/wpa?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"2:2.10-24",
"2:2.10-25",
"2:2.11-1",
"2:2.11-2",
"2:2.11-3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-78807.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-24T05:01:23.937095810Z",
"provider": "osv",
"upstream": [
"CVE-2026-78807"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-78807"
]
},
"related_cves": [
{
"value": "CVE-2026-78807",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 428210,
"published_at": "2026-09-11T18:16:58.12+00:00"
}