CVE-2026-29004: Heap-based Buffer Overflow

BusyBox before commit 42202bf contains a heap buffer overflow vulnerability in the DHCPv6 client udhcpc6 DNSSERVERS option handler in networking/udhcp/d6dhcpc.c that allows network-adjacent attackers to trigger memory corruption by sending a crafted DHCPv6 response with a malformed D6OPTDNSSERVER...