CVE-2026-3608

high

Description

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.

References

https://kb.isc.org/docs/cve-2026-3608

https://downloads.isc.org/isc/kea/3.0.3

https://downloads.isc.org/isc/kea/2.6.5

http://www.openwall.com/lists/oss-security/2026/03/25/6

Details

Source: Mitre, NVD

Published: 2026-03-25

Updated: 2026-03-25

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00016