Medium
Security advisory
A packet containing a malformed DUID can cause the Kea DHCPv6 server process (kea-dhcp6) to exit due to an assertion failure. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-6472
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:18 UTC · Revision 1
Source evidence
A packet containing a malformed DUID can cause the Kea DHCPv6 server process (kea-dhcp6) to exit due to an assertion failure. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.
osv:CVE-2019-6472
Complete source record
{
"id": "a92b444721720eff335a06170546ee23461e7b1332e4cfa639e32230078ffcc4",
"url": "https://osv.dev/vulnerability/CVE-2019-6472",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-6472",
"summary": "A packet containing a malformed DUID can cause the Kea DHCPv6 server process (kea-dhcp6) to exit due to an assertion failure. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.",
"evidence": "osv:CVE-2019-6472",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2019-6472",
"aliases": [
"CVE-2019-6472"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/isc-projects/kea",
"type": "GIT",
"events": [
{
"introduced": "adecd0b6b6f2967f3e6d4c2258e59af2b0767168"
},
{
"last_affected": "a0d3d9729b506eaa4674e5bd8b25b87d84d2492d"
},
{
"introduced": "03f0af3900bdd9eaa951b23cc9508f0618d3f1bb"
},
{
"last_affected": "03f0af3900bdd9eaa951b23cc9508f0618d3f1bb"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:isc:kea:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.4.0"
},
{
"last_affected": "1.5.0"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:isc:kea:1.6.0:beta2:*:*:*:*:*:*",
"range": [
{
"introduced": "1.6.0-beta2"
},
{
"last_affected": "1.6.0-beta2"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"1.6.0-beta2",
"Kea-1.6.0-beta2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-6472.json"
}
},
{
"ranges": [
{
"repo": "https://gitlab.isc.org/isc-projects/kea",
"type": "GIT",
"events": [
{
"introduced": "adecd0b6b6f2967f3e6d4c2258e59af2b0767168"
},
{
"last_affected": "a0d3d9729b506eaa4674e5bd8b25b87d84d2492d"
},
{
"introduced": "03f0af3900bdd9eaa951b23cc9508f0618d3f1bb"
},
{
"last_affected": "03f0af3900bdd9eaa951b23cc9508f0618d3f1bb"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:isc:kea:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.4.0"
},
{
"last_affected": "1.5.0"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:isc:kea:1.6.0:beta2:*:*:*:*:*:*",
"range": [
{
"introduced": "1.6.0-beta2"
},
{
"last_affected": "1.6.0-beta2"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"1.6.0-beta2",
"Kea-1.6.0-beta2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-6472.json"
}
}
],
"modified": "2026-10-24T10:30:51.490135228Z",
"provider": "osv",
"references": [
"https://kb.isc.org/docs/cve-2019-6472"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:isc:kea:1.6.0:beta1:*:*:*:*:*:*"
],
"vendor_product": "isc:kea",
"extracted_events": [
{
"range": [
{
"introduced": "1.6.0-beta1"
},
{
"last_affected": "1.6.0-beta1"
},
{
"introduced": "1.6.0-beta1"
},
{
"last_affected": "1.6.0-beta1"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2019-6472",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 437494,
"published_at": "2019-10-16T18:15:37.043+00:00"
}