[type1, type42] Another fix for Savannah bug #43655.

* src/type1/t1load.c (parse_charstrings), src/type42/t42parse.c
(t42_parse_charstrings): Add another boundary testing.

ChangeLog

@@ -1,3 +1,10 @@
+2014-11-24  Werner Lemberg  <wl@gnu.org>
+
+	[type1, type42] Another fix for Savannah bug #43655.
+
+	* src/type1/t1load.c (parse_charstrings), src/type42/t42parse.c
+	(t42_parse_charstrings): Add another boundary testing.
+
 2014-11-24  Werner Lemberg  <wl@gnu.org>
 
 	[docmaker] Formatting, copyright, improved documentation.

src/type1/t1load.c

@@ -1596,6 +1596,11 @@
       }
 
       T1_Skip_PS_Token( parser );
+      if ( parser->root.cursor >= limit )
+      {
+        error = FT_THROW( Invalid_File_Format );
+        goto Fail;
+      }
       if ( parser->root.error )
         return;
 

src/type42/t42parse.c

@@ -849,6 +849,12 @@
         break;
 
       T1_Skip_PS_Token( parser );
+      if ( parser->root.cursor >= limit )
+      {
+        FT_ERROR(( "t42_parse_charstrings: out of bounds\n" ));
+        error = FT_THROW( Invalid_File_Format );
+        goto Fail;
+      }
       if ( parser->root.error )
         return;