MediumFix available
dhcp — security advisory
In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.
- Products
- dhcp
- Affected versions
- Not specified
- Fixed versions
- 4.4.3_p1-r0
- CVEs
- CVE-2022-2929
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 14:11 UTC · Revision 1
Source evidence
In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.
osv:ALPINE-CVE-2022-2929
dhcp
Fixed versions: 4.4.3_p1-r0
dhcp
Fixed versions: 4.4.3_p1-r0
dhcp
Fixed versions: 4.4.3_p1-r0
dhcp
Fixed versions: 4.4.3_p1-r0
dhcp
Fixed versions: 4.4.3_p1-r0
dhcp
Fixed versions: 4.4.3_p1-r0
dhcp
Fixed versions: 4.4.3_p1-r0
dhcp
Fixed versions: 4.4.3_p1-r0
Complete source record
{
"id": "e3f52ba5eb8f1a664aadbfea47a6a839803569f69be910dda727034963b4e169",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2022-2929",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2022-2929",
"summary": "In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.",
"evidence": "osv:ALPINE-CVE-2022-2929",
"products": [
{
"name": {
"value": "dhcp",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.4.3_p1-r0",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "dhcp",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.4.3_p1-r0",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "dhcp",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.4.3_p1-r0",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "dhcp",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.4.3_p1-r0",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "dhcp",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.4.3_p1-r0",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "dhcp",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.4.3_p1-r0",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "dhcp",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.4.3_p1-r0",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "dhcp",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.4.3_p1-r0",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "ALPINE-CVE-2022-2929",
"aliases": [
"ALPINE-CVE-2022-2929"
],
"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": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "1.0.0"
},
{
"fixed": "4.4.3_p1-r0"
}
]
}
],
"package": {
"name": "dhcp",
"purl": "pkg:apk/alpine/dhcp?arch=source",
"ecosystem": "Alpine:v3.13"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-2929.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "1.0.0"
},
{
"fixed": "4.4.3_p1-r0"
}
]
}
],
"package": {
"name": "dhcp",
"purl": "pkg:apk/alpine/dhcp?arch=source",
"ecosystem": "Alpine:v3.14"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-2929.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "1.0.0"
},
{
"fixed": "4.4.3_p1-r0"
}
]
}
],
"package": {
"name": "dhcp",
"purl": "pkg:apk/alpine/dhcp?arch=source",
"ecosystem": "Alpine:v3.15"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-2929.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
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"introduced": "1.0.0"
},
{
"fixed": "4.4.3_p1-r0"
}
]
}
],
"package": {
"name": "dhcp",
"purl": "pkg:apk/alpine/dhcp?arch=source",
"ecosystem": "Alpine:v3.16"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-2929.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "1.0.0"
},
{
"fixed": "4.4.3_p1-r0"
}
]
}
],
"package": {
"name": "dhcp",
"purl": "pkg:apk/alpine/dhcp?arch=source",
"ecosystem": "Alpine:v3.17"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-2929.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "1.0.0"
},
{
"fixed": "4.4.3_p1-r0"
}
]
}
],
"package": {
"name": "dhcp",
"purl": "pkg:apk/alpine/dhcp?arch=source",
"ecosystem": "Alpine:v3.18"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-2929.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "1.0.0"
},
{
"fixed": "4.4.3_p1-r0"
}
]
}
],
"package": {
"name": "dhcp",
"purl": "pkg:apk/alpine/dhcp?arch=source",
"ecosystem": "Alpine:v3.19"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-2929.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "1.0.0"
},
{
"fixed": "4.4.3_p1-r0"
}
]
}
],
"package": {
"name": "dhcp",
"purl": "pkg:apk/alpine/dhcp?arch=source",
"ecosystem": "Alpine:v3.20"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-2929.json"
},
"ecosystem_specific": {}
}
],
"modified": "2026-10-15T07:17:54.206109098Z",
"provider": "osv",
"upstream": [
"CVE-2022-2929"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2022-2929"
]
},
"related_cves": [
{
"value": "CVE-2022-2929",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 321831,
"published_at": "2022-10-07T05:15:11.32+00:00"
}