* auth: Use consttime_memequal to avoid latency attack consttime_memequal is supplied if libc does not support it dhcpcd >=6.2 <7.2.1 are vulnerable * DHCP: Fix a potential 1 byte read overflow with DHO_OPTSOVERLOADED dhcpcd >=4 <7.2.1 are vulnerable * DHCPv6: Fix a potential buffer overflow reading NA/TA addresses dhcpcd >=7 <7.2.1 are vulnerable