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CVE-2026-3608 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: redhat-SADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://access.redhat.com/errata/RHSA-2026:11344	redhat-SADP
https://access.redhat.com/errata/RHSA-2026:7342	redhat-SADP
https://access.redhat.com/security/cve/CVE-2026-3608	redhat-SADP
https://bugzilla.redhat.com/show_bug.cgi?id=2451139	redhat-SADP
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3608.json	redhat-SADP
http://www.openwall.com/lists/oss-security/2026/03/25/6	CVE
https://downloads.isc.org/isc/kea/2.6.5	[email protected]
https://downloads.isc.org/isc/kea/3.0.3	[email protected]
https://kb.isc.org/docs/cve-2026-3608	[email protected]

see all 9 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-617	Reachable Assertion	redhat-SADP
CWE-617	Reachable Assertion	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

6 change records found show changes

Date	Action	Recorded By
Jul 15, 2026	CVE Modified	redhat-SADP
Jun 30, 2026	CVE Modified	redhat-SADP
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Mar 25, 2026	CVE Modified	CVE
Mar 25, 2026	New CVE Received	[email protected]