Index: _source/plugins/wysiwygarea/plugin.js
===================================================================
--- _source/plugins/wysiwygarea/plugin.js	(revision 6289)
+++ _source/plugins/wysiwygarea/plugin.js	(working copy)
@@ -820,8 +820,22 @@
 								}, 0 );
 
 								// IE, Opera and Safari may not support it and throw errors.
-								try { editor.document.$.execCommand( 'enableObjectResizing', false, !editor.config.disableObjectResizing ) ; } catch(e) {}
-								try { editor.document.$.execCommand( 'enableInlineTableEditing', false, !editor.config.disableNativeTableHandles ) ; } catch(e) {}
+								try { editor.document.$.execCommand( 'enableInlineTableEditing', false, !editor.config.disableNativeTableHandles ); } catch(e) {}
+								if ( editor.config.disableObjectResizing )
+								{
+									try
+									{
+										editor.document.$.execCommand( 'enableObjectResizing', false, false );
+									}
+									catch(e)
+									{
+										// For browsers in which the above method failed, we can cancel the resizing on the fly (#4208)
+										editor.document.getBody().on( CKEDITOR.env.ie ? 'resizestart' : 'resize', function( evt )
+										{
+											evt.data.preventDefault();
+										});
+									}
+								}
 
 								/*
 								 * IE BUG: IE might have rendered the iframe with invisible contents.