Django 3.2.5 release notes

July 1, 2021

Django 3.2.5 fixes a security issue with severity "high" and several bugs in 3.2.4. Also, the latest string translations from Transifex are incorporated.

CVE-2021-35042: Potential SQL injection via unsanitized QuerySet.order_by() input

Unsanitized user input passed to QuerySet.order_by() could bypass intended column reference validation in path marked for deprecation resulting in a potential SQL injection even if a deprecation warning is emitted.

As a mitigation the strict column reference validation was restored for the duration of the deprecation period. This regression appeared in 3.1 as a side effect of fixing #31426.

The issue is not present in the main branch as the deprecated path has been removed.

Bugfixes

  • Fixed a regression in Django 3.2 that caused a crash of QuerySet.values_list(…, named=True) after prefetch_related() (#32812).
  • Fixed a bug in Django 3.2 that caused a migration crash on MySQL 8.0.13+ when altering BinaryField, JSONField, or TextField to non-nullable (#32503).
  • Fixed a regression in Django 3.2 that caused a migration crash on MySQL 8.0.13+ when adding nullable BinaryField, JSONField, or TextField with a default value (#32832).
  • Fixed a bug in Django 3.2 where a system check would crash on a model with an invalid app_label (#32863).
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