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CVE-2026-3608

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CVE-2026-3608

Published: Mar 25, 2026

Modified: Mar 25, 2026

PUBLISHED

CVSS v3.1

7.5

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.

VendorProductVersions

ISC

Kea

affected
2.6.0 - <= 2.6.4
affected
3.0.0 - <= 3.0.2

Weaknesses (CWE)

CWE-617

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

CVE-2026-3608
vendor-advisory

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