Fix for issue #10812:

dverkade · dverkade · commit 704960a6a1af · 2018-01-02T21:43:59.000+01:00
- Removed options All from .htaccess. All is the default option.
diff --git a/pub/media/.htaccess b/pub/media/.htaccess
@@ -1,4 +1,4 @@
-Options All -Indexes
+Options -Indexes
 
 <IfModule mod_php5.c>
 php_flag engine 0
diff --git a/pub/media/theme_customization/.htaccess b/pub/media/theme_customization/.htaccess
@@ -1,4 +1,4 @@
-Options All -Indexes
+Options -Indexes
 <Files ~ "\.xml$">
     Order allow,deny
     Deny from all
