high7.5
CVE-2026-3608
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 c…
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| Kea Versions 2.6.0 | through 2.6.4 |
| 3.0.0 | through 3.0.2. |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- 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
- https://access.redhat.com/errata/RHSA-2026:11344
- https://access.redhat.com/errata/RHSA-2026:7342
- https://access.redhat.com/security/cve/CVE-2026-3608
- https://bugzilla.redhat.com/show_bug.cgi?id=2451139
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3608.json