A vulnerability was found in NetworkConfiguration dhcpcd up to 10.3.2 . It has been rated as critical . The affected element is the function dhcp6_makemessage of the file src/dhcp6.c . This manipulation causes out-of-bounds write. This vulnerability appears as CVE-2026-56114 . The attacker needs to be present on the local network. There is no available exploit. Upgrading the affected component is advised.