.. _version_history_1.11.2:

1.11.2 (October 8, 2019)
=========================



Changes
-------


* **http**: added :ref:`common_http_protocol_options
  <v1.11:envoy_api_field_config.filter.network.http_connection_manager.v2.HttpConnectionManager.common_http_protocol_options>`
  Runtime feature ``envoy.reloadable_features.max_request_headers_count`` overrides the default limit for downstream
  :ref:`max headers count
  <v1.11:envoy_api_field_config.filter.network.http_connection_manager.v2.HttpConnectionManager.common_http_protocol_options>`.
* **http**: added :ref:`max headers count <v1.11:envoy_api_field_core.HttpProtocolOptions.max_headers_count>` for http connections. The
  default limit is 100.
* **http**: fixed CVE-2019-15226 by adding a cached byte size in HeaderMap.
* **regex**: backported safe regex matcher fix for CVE-2019-15225.
* **upstream**: runtime feature ``envoy.reloadable_features.max_response_headers_count`` overrides the default limit for upstream
  :ref:`max headers count <v1.11:envoy_api_field_Cluster.common_http_protocol_options>`.








Deprecated
----------


* **hcm**: Use of :ref:`idle_timeout
  <v1.11:envoy_api_field_config.filter.network.http_connection_manager.v2.HttpConnectionManager.idle_timeout>` is deprecated.
  Use :ref:`common_http_protocol_options
  <v1.11:envoy_api_field_config.filter.network.http_connection_manager.v2.HttpConnectionManager.common_http_protocol_options>`
  instead.