# Django 4.2.9.dev20231204082947 - dokumentacja

# Django 3.1.8 release notes

April 6, 2021

Django 3.1.8 fixes a security issue with severity „low” and a bug in 3.1.7.

## CVE-2021-28658: Potential directory-traversal via uploaded files

`MultiPartParser` allowed directory-traversal via uploaded files with suitably crafted file names.

Built-in upload handlers were not affected by this vulnerability.

## Poprawki błędów

- Fixed a bug in Django 3.1 where the output was hidden on a test error or failure when using `test --pdb` with the `--buffer` option (#32560).