CVE-2026-3608
Stack overflow in Kea daemons
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.
INFO
Published Date :
March 25, 2026, 9:16 a.m.
Last Modified :
March 25, 2026, 6:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update Kea to a version that includes the fix.
- Apply vendor patches as soon as they are available.
- Restart the affected Kea daemons after updating.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-3608.
| URL | Resource |
|---|---|
| https://downloads.isc.org/isc/kea/2.6.5 | |
| https://downloads.isc.org/isc/kea/3.0.3 | |
| https://kb.isc.org/docs/cve-2026-3608 | |
| http://www.openwall.com/lists/oss-security/2026/03/25/6 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-3608 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-3608
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-3608 vulnerability anywhere in the article.
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CybersecurityNews
ISC Warns of High-Severity Kea DHCP Flaw That Can Crash Services Remotely
The Internet Systems Consortium (ISC) has released a critical security advisory warning network administrators of a high-severity vulnerability affecting the Kea DHCP server. Tracked as CVE-2026-3608, ... Read more
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Daily CyberSecurity
BIND 9 Security Alert: ISC Releases Patches for Trio of Vulnerabilities
The Internet Systems Consortium (ISC) has issued an important security advisory for BIND 9, the world’s most widely used DNS software. The update addresses three distinct vulnerabilities that could al ... Read more
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Daily CyberSecurity
Hackers Actively Exploiting 9.8 Critical RCE Flaw in Kali Forms WordPress Plugin
The attackers begin actively exploiting a critical vulnerability in Kali Forms, a popular drag-and-drop form builder WordPress plugin. With over 10,000 active installations, the plugin is a favorite f ... Read more
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Daily CyberSecurity
DHCP Down: High-Severity Stack Overflow Flaw Threatens to Paralyze Kea Networks
The Internet Systems Consortium (ISC) has issued a high-severity security advisory regarding a critical vulnerability affecting the Kea DHCP suite. The flaw, tracked as CVE-2026-3608 (CVSS 7.5), could ... Read more
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Daily CyberSecurity
Critical RCE Flaw in PTC Windchill and FlexPLM Puts Product Data at Risk
PTC has issued a high-priority security advisory regarding a critical vulnerability affecting its Windchill and FlexPLM product lifecycle management suites. The flaw, tracked as CVE-2026-4681 (CVSS 10 ... Read more
The following table lists the changes that have been made to the
CVE-2026-3608 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Mar. 25, 2026
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2026/03/25/6 -
New CVE Received by [email protected]
Mar. 25, 2026
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-617 Added Reference https://downloads.isc.org/isc/kea/2.6.5 Added Reference https://downloads.isc.org/isc/kea/3.0.3 Added Reference https://kb.isc.org/docs/cve-2026-3608