diff --git "a/sdk/lib/3rdparty/freetype/src/sfnt/ttcmap.c" "b/sdk/lib/3rdparty/freetype/src/sfnt/ttcmap.c"
index 8d9737310c7..6c65d1a5ec0 100644
--- "a/sdk/lib/3rdparty/freetype/src/sfnt/ttcmap.c"
+++ "b/sdk/lib/3rdparty/freetype/src/sfnt/ttcmap.c"
@@ -1242,6 +1242,15 @@
 
     num_segs = num_segs2 >> 1;
 
+    /* HACK: Sanity Check to fix CORE-12549 */
+    if (num_segs > 200) // arial at 127 is max I have seen
+    {
+        FT_ERROR(( "tt_cmap4_char_map_binary: "
+                   "Segments (%d) too big for '%s-%s'\n", num_segs,
+                   face->name_table.names[1].string, face->name_table.names[2].string ));
+        return 0; 
+    }
+
     /* make compiler happy */
     mid = num_segs;
     end = 0xFFFFU;