CVE-2026-3608
7.5
HIGH
CVSS 3.1
EPSS 0.01%
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.
How to fix CVE-2026-3608
To remediate CVE-2026-3608, upgrade the affected package to a fixed version below.
- Alpine/kea—upgrade to 2.6.5-r0 or later
- —no fix listed
Is CVE-2026-3608 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.6.5-r0
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |