CVE-2026-29004

BusyBox prior to commit 42202bf contains a heap buffer overflow in the DHCPv6 client (udhcpc6) DNS_SERVERS option handler (networking/udhcp/d6_dhcpc.c). Attackers on the network-adjacent path can trigger memory corruption by sending a crafted DHCPv6 response with a malformed D6_OPT_DNS_SERVERS op...