File: 2.2.11.txt

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===========================
Django 2.2.11 release notes
===========================

*March 4, 2020*

Django 2.2.11 fixes a security issue and a data loss bug in 2.2.10.

CVE-2020-9402: Potential SQL injection via ``tolerance`` parameter in GIS functions and aggregates on Oracle
============================================================================================================

GIS functions and aggregates on Oracle were subject to SQL injection,
using a suitably crafted ``tolerance``.

Bugfixes
========

* Fixed a data loss possibility in the
  :meth:`~django.db.models.query.QuerySet.select_for_update`. When using
  related fields or parent link fields with :ref:`multi-table-inheritance` in
  the ``of`` argument, the corresponding models were not locked
  (:ticket:`31246`).