src/java.desktop/share/native/libfreetype/src/sfnt/ttload.c

*** 3,13 ****
   * ttload.c
   *
   *   Load the basic TrueType tables, i.e., tables that can be either in
   *   TTF or OTF fonts (body).
   *
!  * Copyright (C) 1996-2019 by
   * David Turner, Robert Wilhelm, and Werner Lemberg.
   *
   * This file is part of the FreeType project, and may only be used,
   * modified, and distributed under the terms of the FreeType project
   * license, LICENSE.TXT.  By continuing to use, modify, or distribute
--- 3,13 ----
   * ttload.c
   *
   *   Load the basic TrueType tables, i.e., tables that can be either in
   *   TTF or OTF fonts (body).
   *
!  * Copyright (C) 1996-2020 by
   * David Turner, Robert Wilhelm, and Werner Lemberg.
   *
   * This file is part of the FreeType project, and may only be used,
   * modified, and distributed under the terms of the FreeType project
   * license, LICENSE.TXT.  By continuing to use, modify, or distribute
*** 395,405 ****
--- 395,413 ----
                      " invalid table directory for TrueType\n" ));
          goto Exit;
        }
      }
      else
+     {
        valid_entries = sfnt.num_tables;
+       if ( !valid_entries )
+       {
+         FT_TRACE2(( "tt_face_load_font_dir: no valid tables found\n" ));
+         error = FT_THROW( Unknown_File_Format );
+         goto Exit;
+       }
+     }
  
      face->num_tables = valid_entries;
      face->format_tag = sfnt.format_tag;
  
      if ( FT_QNEW_ARRAY( face->dir_tables, face->num_tables ) )
*** 914,924 ****
          goto Exit;
  
        /* load language tags */
        {
          TT_LangTag  entry = table->langTags;
!         TT_LangTag  limit = entry + table->numLangTagRecords;
  
  
          for ( ; entry < limit; entry++ )
          {
            (void)FT_STREAM_READ_FIELDS( langTag_record_fields, entry );
--- 922,932 ----
          goto Exit;
  
        /* load language tags */
        {
          TT_LangTag  entry = table->langTags;
!         TT_LangTag  limit = FT_OFFSET( entry, table->numLangTagRecords );
  
  
          for ( ; entry < limit; entry++ )
          {
            (void)FT_STREAM_READ_FIELDS( langTag_record_fields, entry );