CVE-2026-3608

HIGH EPSS 60.0%

Published Mar 25, 20263mo ago · Modified Jun 17, 20262w ago

7.5 CVSS 3.1

High

Published Mar 25, 2026 3mo ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

7.5

Exploitability

3.9

Impact

3.6

Vector string

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

Threat Intelligence

EPSS Exploit Probability

60.0% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-617

References 4

openwall.com http://www.openwall.com/lists/oss-security/2026/03/25/6
downloads.isc.org https://downloads.isc.org/isc/kea/2.6.5
downloads.isc.org https://downloads.isc.org/isc/kea/3.0.3
kb.isc.org https://kb.isc.org/docs/cve-2026-3608

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.