Index: curl-7.65.3/lib/url.c
===================================================================
--- curl-7.65.3.orig/lib/url.c	2021-01-07 20:48:52.563356616 +0800
+++ curl-7.65.3/lib/url.c	2021-01-07 20:51:04.322928025 +0800
@@ -2886,12 +2886,14 @@
 
   /* for updated strings, we update them in the URL */
   if(user_changed) {
-    uc = curl_url_set(data->state.uh, CURLUPART_USER, *userp, 0);
+    uc = curl_url_set(data->state.uh, CURLUPART_USER, *userp,
+                      CURLU_URLENCODE);
     if(uc)
       return Curl_uc_to_curlcode(uc);
   }
   if(passwd_changed) {
-    uc = curl_url_set(data->state.uh, CURLUPART_PASSWORD, *passwdp, 0);
+    uc = curl_url_set(data->state.uh, CURLUPART_PASSWORD, *passwdp,
+                      CURLU_URLENCODE);
     if(uc)
       return Curl_uc_to_curlcode(uc);
   }