Critical
Security advisory
dhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when reading NA/TA addresses.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-11577
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:33 UTC · Revision 1
Source evidence
dhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when reading NA/TA addresses.
osv:CVE-2019-11577
Complete source record
{
"id": "fd9182ef9b0dfd7580c60ad2bf2ac7d4bbef1f2016a59b99be61228965871824",
"url": "https://osv.dev/vulnerability/CVE-2019-11577",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-11577",
"summary": "dhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when reading NA/TA addresses.",
"evidence": "osv:CVE-2019-11577",
"products": [],
"severity": "critical",
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"aliases": [
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"metrics": [
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"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
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"affected": [
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"versions": [
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],
"modified": "2026-10-24T10:30:30.345924097Z",
"provider": "osv",
"references": [
"https://roy.marples.name/archives/dhcpcd-discuss/0002415.html",
"https://roy.marples.name/git/dhcpcd.git/commit/?id=8d11b33f6c60e2db257130fa383ba76b6018bcf6"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2019-11577",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 432548,
"published_at": "2019-04-28T16:29:00.233+00:00"
}