diff -r be944660c56a -r 3d72ae0968f4 wp/wp-includes/sodium_compat/src/Core/Util.php
--- a/wp/wp-includes/sodium_compat/src/Core/Util.php	Wed Sep 21 18:19:35 2022 +0200
+++ b/wp/wp-includes/sodium_compat/src/Core/Util.php	Tue Sep 27 16:37:53 2022 +0200
@@ -287,7 +287,7 @@
     }
 
     /**
-     * Catch hash_update() failures and throw instead of silently proceding
+     * Catch hash_update() failures and throw instead of silently proceeding
      *
      * @param HashContext|resource &$hs
      * @param string $data
@@ -458,7 +458,7 @@
         }
         /** @var array<int, int> $unpacked */
         $unpacked = unpack('V', $string);
-        return (int) ($unpacked[1] & 0xffffffff);
+        return (int) $unpacked[1];
     }
 
     /**
@@ -586,6 +586,7 @@
             $a <<= 1;
             $b >>= 1;
         }
+        $c = (int) @($c & -1);
 
         /**
          * If $b was negative, we then apply the same value to $c here.
@@ -612,7 +613,11 @@
     {
         $high = 0;
         /** @var int $low */
-        $low = $num & 0xffffffff;
+        if (PHP_INT_SIZE === 4) {
+            $low = (int) $num;
+        } else {
+            $low = $num & 0xffffffff;
+        }
 
         if ((+(abs($num))) >= 1) {
             if ($num > 0) {
@@ -929,6 +934,10 @@
         static $mbstring = null;
 
         if ($mbstring === null) {
+            if (!defined('MB_OVERLOAD_STRING')) {
+                $mbstring = false;
+                return $mbstring;
+            }
             $mbstring = extension_loaded('mbstring')
                 && defined('MB_OVERLOAD_STRING')
                 &&