--- SDL_image-1.2.12/IMG_xcf.c	2018-12-03 11:28:32.953683000 +0100
+++ SDL_image-1.2.12-me/IMG_xcf.c	2018-12-03 11:32:24.053793000 +0100
@@ -587,13 +587,17 @@
   Uint32 * p;
   int x, y, tx, ty, ox, oy, i, j;
   Uint32 *row;
+  Uint32 length;
 
   SDL_RWseek (src, layer->hierarchy_file_offset, RW_SEEK_SET);
   hierarchy = read_xcf_hierarchy (src, head);
 
   level = NULL;
   for (i = 0; hierarchy->level_file_offsets [i]; i++) {
-    SDL_RWseek (src, hierarchy->level_file_offsets [i], RW_SEEK_SET);
+    if (SDL_RWseek (src, hierarchy->level_file_offsets [i], RW_SEEK_SET) < 0)
+      break;
+    if (i > 0) // skip level except the 1st one, just like GIMP does
+      continue;
     level = read_xcf_level (src, head);
 
     ty = tx = 0;
@@ -601,23 +605,16 @@
       SDL_RWseek (src, level->tile_file_offsets [j], RW_SEEK_SET);
       ox = tx+64 > level->width ? level->width % 64 : 64;
       oy = ty+64 > level->height ? level->height % 64 : 64;
+      length = ox*oy*6;
 
-      if (level->tile_file_offsets [j+1]) {
-        if (level->tile_file_offsets [j+1] <= level->tile_file_offsets [j])
-          break;
-	tile = load_tile
-	  (src,
-	   level->tile_file_offsets [j+1] - level->tile_file_offsets [j],
-	   hierarchy->bpp,
-	   ox, oy);
-      }
-      else {
-	tile = load_tile
-	  (src,
-	   ox*oy*6,
-	   hierarchy->bpp,
-	   ox, oy);
+      if (level->tile_file_offsets [j+1] > level->tile_file_offsets [j]) {
+        length = level->tile_file_offsets [j+1] - level->tile_file_offsets [j];
       }
+      tile = load_tile
+             (src,
+              length,
+              hierarchy->bpp,
+              ox, oy);
 
       p8  = tile;
       p16 = (Uint16 *) p8;