MediumFix available
isc-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
- isc-dhcp
- Affected versions
- Not specified
- Fixed versions
- 4.4.3-2.1
- CVEs
- CVE-2022-2929
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 15:29 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:DEBIAN-CVE-2022-2929
isc-dhcp
Fixed versions: 4.4.3-2.1
isc-dhcp
Fixed versions: 4.4.3-2.1
Complete source record
{
"id": "1672ad953d83d9ecc533e424d2f4ddba5ef9f68d4458a7352724899aa490dc57",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-2929",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-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:DEBIAN-CVE-2022-2929",
"products": [
{
"name": {
"value": "isc-dhcp",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.4.3-2.1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "isc-dhcp",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.4.3-2.1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2022-2929",
"aliases": [
"DEBIAN-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": "0"
},
{
"fixed": "4.4.3-2.1"
}
]
}
],
"package": {
"name": "isc-dhcp",
"purl": "pkg:deb/debian/isc-dhcp?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-2929.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.4.3-2.1"
}
]
}
],
"package": {
"name": "isc-dhcp",
"purl": "pkg:deb/debian/isc-dhcp?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-2929.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-15T08:03:03.883923780Z",
"provider": "osv",
"upstream": [
"CVE-2022-2929"
],
"references": [
"https://security-tracker.debian.org/tracker/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": 325009,
"published_at": "2022-10-07T05:15:11.32+00:00"
}