CLSA-2023-1695752598 httpd: Fix of 4 CVEs

CVE-2022-23943: Fix out-of-bound write in modsed - CVE-2022-22721: Fix integer overflow which resulted in out-of-bounds write - CVE-2022-28615: Fix read beyond bounds in apstrcmpmatch - CVE-2022-31813: Fix possible bypass of IP based authentication...