diff --git a/core/modules/image/image.field.inc b/core/modules/image/image.field.inc
index 7a38df4..aef6be7 100644
--- a/core/modules/image/image.field.inc
+++ b/core/modules/image/image.field.inc
@@ -404,7 +404,7 @@ function image_field_widget_process($element, &$form_state, $form) {
     '#default_value' => isset($item['alt']) ? $item['alt'] : '',
     '#description' => t('This text will be used by screen readers, search engines, or when the image cannot be loaded.'),
     // @see http://www.gawds.org/show.php?contentid=28
-    '#maxlength' => 128,
+    '#maxlength' => 512,
     '#weight' => -2,
     '#access' => (bool) $item['fid'] && $settings['alt_field'],
   );
@@ -413,7 +413,7 @@ function image_field_widget_process($element, &$form_state, $form) {
     '#title' => t('Title'),
     '#default_value' => isset($item['title']) ? $item['title'] : '',
     '#description' => t('The title is used as a tool tip when the user hovers the mouse over the image.'),
-    '#maxlength' => 128,
+    '#maxlength' => 1024,
     '#weight' => -1,
     '#access' => (bool) $item['fid'] && $settings['title_field'],
   );
diff --git a/core/modules/image/image.install b/core/modules/image/image.install
index 4d4399c..02be57c 100644
--- a/core/modules/image/image.install
+++ b/core/modules/image/image.install
@@ -118,13 +118,13 @@ function image_field_schema($field) {
       'alt' => array(
         'description' => "Alternative image text, for the image's 'alt' attribute.",
         'type' => 'varchar',
-        'length' => 128,
+        'length' => 512,
         'not null' => FALSE,
       ),
       'title' => array(
         'description' => "Image title text, for the image's 'title' attribute.",
         'type' => 'varchar',
-        'length' => 128,
+        'length' => 1024,
         'not null' => FALSE,
       ),
       'width' => array(