HarborGuard / CVE
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HIGHCVE-2026-3608Published Modified CNA isc

CVE-2026-3608: Stack overflow in Kea daemons

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.

Metrics

CVSS v3.1
7.5
Severity
HIGH
Fixed in
Affected Products
1
Affected packages
  • ISC / Kea
    ≤ 2.6.4 · ≤ 3.0.2
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H