!!! tip "Tipp"

## 0.109.1

### Security fixes

* ⬆️ Upgrade minimum version of `python-multipart` to `>=0.0.7` to fix a vulnerability when using form data with a ReDos attack. You can also simply upgrade `python-multipart`.

Read more in the [advisory: Content-Type Header ReDoS](https://github.com/tiangolo/fastapi/security/advisories/GHSA-qf9m-vfgh-m389).

### Features

### About `request.state`

`request.state` is a property of each `Request` object. It is there to store arbitrary objects attached to the request itself, like the database session in this case. You can read more about it in <a href="https://www.starlette.io/requests/#other-state" class="external-link" target="_blank">Starlette's docs about `Request` state</a>.

        async with AsyncExitStack() as async_exit_stack:
            # TODO: remove this scope later, after a few releases
            # This scope fastapi_astack is no longer used by FastAPI, kept for
            # compatibility, just in case
            websocket.scope["fastapi_astack"] = async_exit_stack
            solved_result = await solve_dependencies(
                request=websocket,
                dependant=dependant,