Index: Zend/Http/Client/Adapter/Socket.php
===================================================================
--- Zend/Http/Client/Adapter/Socket.php	(revision 113)
+++ Zend/Http/Client/Adapter/Socket.php	(working copy)
@@ -262,15 +262,14 @@
                     $chunksize = hexdec($chunksize);
 
                     // Read chunk
-                    $left_to_read = $chunksize;
-                    while ($left_to_read > 0) {
-                        $line = @fread($this->socket, $left_to_read);
+                    $read_to = ftell($this->socket) + $chunksize;
+                    while ($read_to > ftell($this->socket)) {
+                        $line = @fread($this->socket, $read_to - ftell($this->socket));
                         if ($line === false || strlen($line) === 0)
                         {
                             break;
                         } else {
                             $chunk .= $line;
-                            $left_to_read -= strlen($line);
                         }
 
                         // Break if the connection ended prematurely
@@ -290,13 +289,14 @@
         } elseif (isset($headers['content-length'])) {
             $left_to_read = $headers['content-length'];
             $chunk = '';
-            while ($left_to_read > 0) {
-                $chunk = @fread($this->socket, $left_to_read);
+            
+            $read_to = ftell($this->socket) + $left_to_read;
+            while ($read_to > ftell($this->socket)) {
+                $chunk = @fread($this->socket, $read_to - ftell($this->socket));
                 if ($chunk === false || strlen($chunk) === 0)
                 {
                     break;
                 } else {
-                    $left_to_read -= strlen($chunk);
                     $response .= $chunk;
                 }
 
Index: Zend/Http/Response.php
===================================================================
--- Zend/Http/Response.php	(revision 108)
+++ Zend/Http/Response.php	(working copy)
@@ -558,10 +558,21 @@
             }
 
             $length = hexdec(trim($m[1]));
-            $cut = strlen($m[0]);
+            
+            if (function_exists('mb_strlen') && ((int)ini_get('mbstring.func_overload') & 2)) {
+               $cut = mb_strlen($m[0], 'ascii');
+            } else {
+               $cut = strlen($m[0]);
+            } 
 
-            $decBody .= substr($body, $cut, $length);
-            $body = substr($body, $cut + $length + 2);
+            if (function_exists('mb_strlen') && ((int)ini_get('mbstring.func_overload') & 2)) {
+                $decBody .= mb_substr($body, $cut, $length, 'ascii');
+                $body = mb_substr($body, $cut + $length + 2, -1, 'ascii');
+            }
+            else {
+                $decBody .= substr($body, $cut, $length);
+                $body = substr($body, $cut + $length + 2);
+            }
         }
 
         return $decBody;