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@dependabot dependabot bot commented on behalf of github Jul 12, 2019

Bumps flask from 0.12.2 to 0.12.3.

Release notes

Sourced from flask's releases.

0.12.3

This release includes an important security fix for JSON and a minor backport for CLI support in PyCharm. It is provided for projects that cannot update to Flask 1.0 immediately. See the 1.0 announcement and update to it instead if possible.

JSON Security Fix

Flask previously decoded incoming JSON bytes using the content type of the request. Although JSON should only be encoded as UTF-8, Flask was more lenient. However, Python includes non-text related encodings that could result in unexpected memory use by a request.

Flask will now detect the encoding of incoming JSON data as one of the supported UTF encodings, and will not allow arbitrary encodings from the request.

Upgrade

Upgrade from PyPI with pip. Use a version identifier if you want to stay at 0.12:

pip install -U 'Flask~=0.12.3'

Or upgrade to 1.0:

pip install -U Flask
Changelog

Sourced from flask's changelog.

Version 0.12.3

Released 2018-04-26

  • :func:Request.get_json no longer accepts arbitrary encodings.
    Incoming JSON should be encoded using UTF-8 per :rfc:8259, but
    Flask will autodetect UTF-8, -16, or -32. :issue:2692
  • Fix a Python warning about imports when using python -m flask.
    :issue:2666
  • Fix a ValueError caused by invalid Range requests in some
    cases.
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@dependabot dependabot bot added the dependencies Pull requests that update a dependency file label Jul 12, 2019
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