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Vulnerabilities of ISC Kea

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CVE Summary Score Published
CVE-2026-3608 Sending a maliciously crafted message to the kea-ctrl-agent, kea-dhcp-ddns, kea-dhcp4, or kea-dhcp6 daemons over any… 7.5 High Mar 25, 2026
CVE-2025-11232 To trigger the issue, three configuration parameters must have specific settings: "hostname-char-set" must be left at… 7.5 High Oct 29, 2025
CVE-2025-40779 If a DHCPv4 client sends a request with some specific options, and Kea fails to find an appropriate subnet for the… 7.5 High Aug 27, 2025
CVE-2025-32803 In some cases, Kea log files or lease files may be world-readable 4.0 Medium May 28, 2025
CVE-2025-32802 Kea configuration and API directives can be used to overwrite arbitrary files, subject to permissions granted to Kea 6.1 Medium May 28, 2025
CVE-2025-32801 Kea configuration and API directives can be used to load a malicious hook library 7.8 High May 28, 2025
CVE-2019-6474 A missing check on incoming client requests can be exploited to cause a situation where the Kea server's lease storage… 5.7 Medium Oct 16, 2019
CVE-2019-6473 An invalid hostname option can trigger an assertion failure in the Kea DHCPv4 server process (kea-dhcp4), causing the… 6.5 Medium Oct 16, 2019
CVE-2019-6472 A packet containing a malformed DUID can cause the Kea DHCPv6 server process (kea-dhcp6) to exit due to an assertion… 6.5 Medium Oct 16, 2019

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