CVE-2026-3608

EUVD-2026-15196
Sending a maliciously crafted message to the kea-ctrl-agent, kea-dhcp-ddns, kea-dhcp4, or kea-dhcp6 daemons over any configured API socket or HA listener can cause the receiving daemon to exit with a stack overflow error.
This issue affects Kea versions 2.6.0 through 2.6.4 and 3.0.0 through 3.0.2.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
iscCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 1%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
isckea
2.6.0 ≤
𝑥
≤ 2.6.4
CNA
isckea
3.0.0 ≤
𝑥
≤ 3.0.2
CNA
Debian logo
Debian Releases
Debian Product
Codename
isc-kea
bookworm
vulnerable
forky
3.0.3-1
fixed
sid
3.0.3-1
fixed
trixie
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
isc-kea
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
needs-triage
resolute
not-affected
xenial
needs-triage
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
kea
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
kea-devel
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
kea-doc
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
kea-hooks
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-asiodns49
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-asiolink72
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-cc69
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-cfgclient67
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-cryptolink50
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-d2srv47
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-database62
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-dhcp++92
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-dhcp_ddns57
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-dhcpsrv112
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-dns++57
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-eval69
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-exceptions33
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-hooks102
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-http72
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-log61
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-mysql71
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-pgsql71
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-process76
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-stats41
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-tcp19
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-util-io0
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
libkea-util87
suse enterprise sap 15 SP7
2.6.5-150700.3.6.1
fixed
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
suse enterprise server 15 SP7
2.6.5-150700.3.6.1
fixed
python3-kea
suse enterprise server 15 SP6
2.6.5-150600.13.9.1
fixed
Common Weakness Enumeration
References
https://downloads.isc.org/isc/kea/2.6.5
https://downloads.isc.org/isc/kea/3.0.3
https://kb.isc.org/docs/cve-2026-3608
http://www.openwall.com/lists/oss-security/2026/03/25/6