DEBIAN-CVE-2026-14258
A flaw was found in dhcpcd's IPv6 Neighbor Discovery Router Advertisement processing. A specially crafted IPv6 Router Advertisement containing a zero-length Neighbor Discovery option can bypass validation during packet storage and later be reparsed without adequate validation, causing the parser to enter a non-advancing loop. Successful exploitation may result in excessive CPU consumption, leading to a denial of service.
DEBIAN-CVE-2026-14258
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:DEBIAN-CVE-2026-14258
dhcpcd
Source reference: /affected/0/package/name
- Affected versions
- 1:10.1.0-11
Source reference:
/affected/0/versions1:10.1.0-11+deb13u1Source reference:
/affected/0/versions1:10.1.0-11+deb13u2Source reference:
/affected/0/versions1:10.1.0-11+deb13u3Source reference:
/affected/0/versions - Fixed versions
- 1:10.1.0-11+deb13u4
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
dhcpcd
Source reference: /affected/1/package/name
- Affected versions
- 1:10.1.0-11
Source reference:
/affected/1/versions1:10.1.0-12Source reference:
/affected/1/versions1:10.2.0-1Source reference:
/affected/1/versions1:10.2.2-1Source reference:
/affected/1/versions1:10.2.2-2Source reference:
/affected/1/versions1:10.2.2-3Source reference:
/affected/1/versions1:10.2.2-4Source reference:
/affected/1/versions1:10.2.2-5Source reference:
/affected/1/versions1:10.2.2-6Source reference:
/affected/1/versions1:10.2.3-1Source reference:
/affected/1/versions1:10.2.4-1Source reference:
/affected/1/versions1:10.2.4-2Source reference:
/affected/1/versions - Fixed versions
- 1:10.2.4-3
Source reference:
/affected/1/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:10.1.0-11+deb13u4"
}
]
}
],
"package": {
"name": "dhcpcd",
"purl": "pkg:deb/debian/dhcpcd?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1:10.1.0-11",
"1:10.1.0-11+deb13u1",
"1:10.1.0-11+deb13u2",
"1:10.1.0-11+deb13u3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-14258.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:10.2.4-3"
}
]
}
],
"package": {
"name": "dhcpcd",
"purl": "pkg:deb/debian/dhcpcd?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1:10.1.0-11",
"1:10.1.0-12",
"1:10.2.0-1",
"1:10.2.2-1",
"1:10.2.2-2",
"1:10.2.2-3",
"1:10.2.2-4",
"1:10.2.2-5",
"1:10.2.2-6",
"1:10.2.3-1",
"1:10.2.4-1",
"1:10.2.4-2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-14258.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #55531 · Revision 1
- Added to Heist Feed
- Publisher date