tile-index-out-of-range.patch

diff --git a/src/command_func.h b/src/command_func.h
index 861dd480b..7539d6f54 100644
--- a/src/command_func.h
+++ b/src/command_func.h
@@ -382,8 +382,18 @@ protected:
                        return MakeResult(CMD_ERROR);
                }
 
-               /* Test the command. */
                DoCommandFlag flags = CommandFlagsToDCFlags(cmd_flags);
+
+               if constexpr (std::is_same_v<TileIndex, std::tuple_element_t<0, decltype(args)>>) {
+                       TileIndex check_tile = std::get<0>(args);
+                       /* Do not even think about executing out-of-bounds tile-commands. */
+                       if (check_tile != 0 && (check_tile >= MapSize() || (!IsValidTile(check_tile) && (flags & DC_ALL_TILES) == 0))) {
+                               cur_company.Trash();
+                               return MakeResult(CMD_ERROR);
+                       }
+               }
+
+               /* Test the command. */
                Tret res = std::apply(CommandTraits<Tcmd>::proc, std::tuple_cat(std::make_tuple(flags), args));
 
                auto [exit_test, desync_log, send_net] = InternalExecuteValidateTestAndPrepExec(ExtractCommandCost(res), cmd_flags, estimate_only, network_command, cur_company);