CVE-2026-3608

7.5 highEPSS 1.4%

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.

Severity

CVSS 3.1

7.5 high

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

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-10-31)
CWE: CWE-617
Published: 2026-03-25
Modified: 2026-07-15
Record from: the NVD, synced 2026-10-19

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
https://access.redhat.com/errata/RHSA-2026:11344

Check your stack JSON