MFB: Fixed bug #30613 (Prevent infinite recursion in url redirection).

ext/curl/interface.c

@@ -801,6 +801,7 @@ PHP_FUNCTION(curl_init)
 	curl_easy_setopt(ch->cp, CURLOPT_WRITEHEADER,       (void *) ch);
 	curl_easy_setopt(ch->cp, CURLOPT_DNS_USE_GLOBAL_CACHE, 1);
 	curl_easy_setopt(ch->cp, CURLOPT_DNS_CACHE_TIMEOUT, 120);
+	curl_easy_setopt(ch->cp, CURLOPT_MAXREDIRS, 20); /* prevent infinite redirects */
 #if defined(ZTS)
 	curl_easy_setopt(ch->cp, CURLOPT_NOSIGNAL, 1);
 #endif