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.
This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2026:7342 https://access.redhat.com/errata/RHSA-2026:7342
This issue has been addressed in the following products: Red Hat Enterprise Linux 10.0 Extended Update Support Via RHSA-2026:11344 https://access.redhat.com/errata/RHSA-2026:11344