# CVE-2026-3608: kea: This update for kea fixes the following issues: Update to release 2.6.5. Security issues fixed: - CVE-2026-3608: s... CVE-2026-3608 is fixed in 13 products on 1 platform, first by kea 2.4.1-3ubuntu0.2, released March 24, 2026. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2026-3608 - Priority: High - CVSS: 7.5 (important) - EPSS: 0.0139 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Mar 24, 2026 ## Description This update for kea fixes the following issues: Update to release 2.6.5. Security issues fixed: - CVE-2026-3608: stack overflow error via specially crafted message to the kea-ctrl-agent, kea-dhcp-ddns, kea-dhcp4, or kea-dhcp6 daemons(bsc#1260380). Other updates and bugfixes: - A null dereference is now no longer possible when configuring the Control Agent with a socket that lacks the mandatory socket-name entry. - UNIX sockets are now created as group-writable. - Corrected an issue in logging configuration when parsing 'syslog:'. - Fixed crash when handling misconfigured global reservations. - Support for recent versions of Sphinx has been added. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | isc-kea Debian 13.5 (trixie) | 2.6.3-1+deb13u1 | [DEBIAN-CVE-2026-3608](https://patchblox.com/security/data/fix/linux/debian-cve-2026-3608.md) | Mar 25, 2026 | | Linux | isc-kea Debian 14 | 3.0.3-1 | [DEBIAN-CVE-2026-3608](https://patchblox.com/security/data/fix/linux/debian-cve-2026-3608.md) | Mar 25, 2026 | | Linux | kea RHEL 10 | 2.6.3-2.el10_0.3 | [RHSA-2026:11344](https://patchblox.com/security/data/fix/linux/rhsa-2026-11344.md) | Apr 15, 2026 | | Linux | kea Ubuntu 24.04.5 LTS (noble) | 2.4.1-3ubuntu0.2 | [kea 2.4.1-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-kea-2.4.1-3ubuntu0.2.md) | Mar 24, 2026 | | Linux | kea Ubuntu 25.10 (questing) | 2.6.3-2ubuntu0.1 | [kea 2.6.3-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-kea-2.6.3-2ubuntu0.1.md) | Mar 24, 2026 | | Linux | kea ol 10 | 0:3.0.1-3.el10_1 | [ELSA-2026-7342](https://patchblox.com/security/data/fix/linux/elsa-2026-7342.md) | Apr 10, 2026 | | Linux | kea opensuse-leap 16.0 | 3.0.3-160000.1.1 | [OPENSUSE-SU-2026:20452-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20452-1.md) | Apr 1, 2026 | | Linux | kea rocky 10 | 0:3.0.1-3.el10_1 | [RLSA-2026:7342](https://patchblox.com/security/data/fix/linux/rlsa-2026-7342.md) | Apr 11, 2026 | | Linux | kea sles 15.6 | 2.6.5-150600.13.9.1 | [SUSE-SU-2026:1548-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1548-1.md) | Apr 22, 2026 | | Linux | kea sles 15.7 | 2.6.5-150700.3.6.1 | [SUSE-SU-2026:1378-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-1378-1.md) | Apr 16, 2026 | | Linux | kea sles 16.0 | 3.0.3-160000.1.1 | [SUSE-SU-2026:20989-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-20989-1.md) | Apr 1, 2026 | | Linux | kea-admin Ubuntu 24.04.5 LTS (noble) | 2.4.1-3ubuntu0.2 | [kea-admin 2.4.1-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-kea-admin-2.4.1-3ubuntu0.2.md) | Mar 24, 2026 | | Linux | kea-admin Ubuntu 25.10 (questing) | 2.6.3-2ubuntu0.1 | [kea-admin 2.6.3-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-kea-admin-2.6.3-2ubuntu0.1.md) | Mar 24, 2026 | | Linux | kea-common Ubuntu 24.04.5 LTS (noble) | 2.4.1-3ubuntu0.2 | [kea-common 2.4.1-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-kea-common-2.4.1-3ubuntu0.2.md) | Mar 24, 2026 | | Linux | kea-common Ubuntu 25.10 (questing) | 2.6.3-2ubuntu0.1 | [kea-common 2.6.3-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-kea-common-2.6.3-2ubuntu0.1.md) | Mar 24, 2026 | | Linux | kea-ctrl-agent Ubuntu 24.04.5 LTS (noble) | 2.4.1-3ubuntu0.2 | [kea-ctrl-agent 2.4.1-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-kea-ctrl-agent-2.4.1-3ubuntu0.2.md) | Mar 24, 2026 | | Linux | kea-ctrl-agent Ubuntu 25.10 (questing) | 2.6.3-2ubuntu0.1 | [kea-ctrl-agent 2.6.3-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-kea-ctrl-agent-2.6.3-2ubuntu0.1.md) | Mar 24, 2026 | | Linux | kea-dhcp-ddns-server Ubuntu 24.04.5 LTS (noble) | 2.4.1-3ubuntu0.2 | [kea-dhcp-ddns-server 2.4.1-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-kea-dhcp-ddns-server-2.4.1-3ubuntu0.2.md) | Mar 24, 2026 | | Linux | kea-dhcp-ddns-server Ubuntu 25.10 (questing) | 2.6.3-2ubuntu0.1 | [kea-dhcp-ddns-server 2.6.3-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-kea-dhcp-ddns-server-2.6.3-2ubuntu0.1.md) | Mar 24, 2026 | | Linux | kea-dhcp4-server Ubuntu 24.04.5 LTS (noble) | 2.4.1-3ubuntu0.2 | [kea-dhcp4-server 2.4.1-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-kea-dhcp4-server-2.4.1-3ubuntu0.2.md) | Mar 24, 2026 | | Linux | kea-dhcp4-server Ubuntu 25.10 (questing) | 2.6.3-2ubuntu0.1 | [kea-dhcp4-server 2.6.3-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-kea-dhcp4-server-2.6.3-2ubuntu0.1.md) | Mar 24, 2026 | | Linux | kea-dhcp6-server Ubuntu 24.04.5 LTS (noble) | 2.4.1-3ubuntu0.2 | [kea-dhcp6-server 2.4.1-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-kea-dhcp6-server-2.4.1-3ubuntu0.2.md) | Mar 24, 2026 | | Linux | kea-dhcp6-server Ubuntu 25.10 (questing) | 2.6.3-2ubuntu0.1 | [kea-dhcp6-server 2.6.3-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-kea-dhcp6-server-2.6.3-2ubuntu0.1.md) | Mar 24, 2026 | | Linux | kea-doc almalinux 10 | 3.0.1-3.el10_1 | [ALSA-2026:7342](https://patchblox.com/security/data/fix/linux/alsa-2026-7342.md) | Apr 9, 2026 | | Linux | kea-doc ol 10 | 0:3.0.1-3.el10_1 | [ELSA-2026-7342](https://patchblox.com/security/data/fix/linux/elsa-2026-7342.md) | Apr 10, 2026 | | Linux | kea-hooks ol 10 | 0:3.0.1-3.el10_1 | [ELSA-2026-7342](https://patchblox.com/security/data/fix/linux/elsa-2026-7342.md) | Apr 10, 2026 | | Linux | kea-keama ol 10 | 0:3.0.1-3.el10_1 | [ELSA-2026-7342](https://patchblox.com/security/data/fix/linux/elsa-2026-7342.md) | Apr 10, 2026 | | Linux | kea-libs ol 10 | 0:3.0.1-3.el10_1 | [ELSA-2026-7342](https://patchblox.com/security/data/fix/linux/elsa-2026-7342.md) | Apr 10, 2026 | | Linux | python3-kea-connector Ubuntu 24.04.5 LTS (noble) | 2.4.1-3ubuntu0.2 | [python3-kea-connector 2.4.1-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-python3-kea-connector-2.4.1-3ubuntu0.2.md) | Mar 24, 2026 | | Linux | python3-kea-connector Ubuntu 25.10 (questing) | 2.6.3-2ubuntu0.1 | [python3-kea-connector 2.6.3-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-python3-kea-connector-2.6.3-2ubuntu0.1.md) | Mar 24, 2026 | --- Data as of 2026-11-08T00:53:09Z UTC. 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