? 520736-1-SA-CORE-2009-007.patch
? 520736.patch
? sites/default/files
? sites/default/settings.php
Index: modules/forum/forum.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/forum/forum.pages.inc,v
retrieving revision 1.2
diff -u -p -r1.2 forum.pages.inc
--- modules/forum/forum.pages.inc	26 Jul 2007 06:48:03 -0000	1.2
+++ modules/forum/forum.pages.inc	13 Aug 2009 23:44:51 -0000
@@ -10,6 +10,11 @@
  * Menu callback; prints a forum listing.
  */
 function forum_page($tid = 0) {
+  if (!is_numeric($tid) || ($tid && !taxonomy_term_load($tid))) {
+    return MENU_NOT_FOUND;
+  }  
+  $tid = (int)$tid;
+
   $topics = '';
   $forum_per_page = variable_get('forum_per_page', 25);
   $sortby = variable_get('forum_order', 1);