diff -Naur gimp-2.2.15/plug-ins/common/psd.c gimp-2.2.15-fixed/plug-ins/common/psd.c
--- gimp-2.2.15/plug-ins/common/psd.c	2007-04-17 23:11:24.000000000 +0200
+++ gimp-2.2.15-fixed/plug-ins/common/psd.c	2007-07-04 12:01:14.000000000 +0200
@@ -1188,7 +1188,7 @@
 static void
 seek_to_and_unpack_pixeldata(FILE* fd, gint layeri, gint channeli)
 {
-  int width, height;
+  gint width, height;
   guchar *tmpline;
   gint compression;
   guint32 offset = 0;
@@ -1202,6 +1202,12 @@
   width = channel->width;
   height = channel->height;
 
+  if (width > G_MAXINT16 || height > G_MAXINT16)
+    {
+       g_message ("Error: Invalid channel dimensions");
+       gimp_quit ();
+    }
+
   IFDBG
     {
       printf("\t\t\tLayer (%d) Channel (%d:%d) Compression: %d (%s)\n",