CVE-2026-56115

The CVE-2026-56115 issue affects dhcpcd up to 10.3.2. A one-byte stack out-of-bounds write exists in dhcp6_makemessage() in src/dhcp6.c, triggered by serializing an oversized RFC6603 OPTION_PD_EXCLUDE body. An unauthenticated, same-link attacker can send a crafted DHCPv6 ADVERTISE message contain...