curl: Heap buffer overflow in Curl_ipv4_resolve_r due to incorrect buffer alignment and size calculation on AmigaOS

Summary: A heap-based buffer overflow exists in the AmigaOS-specific DNS resolution function Curlipv4resolver located in lib/amigaos.c. The function uses gethostbynamer with a fixed-size heap buffer CURLHOSTENTSIZE and performs incorrect pointer arithmetic when calculating the data buffer offset...