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Red Hat Security Advisory

Synopsis: Low: python-flask security update
Advisory ID: RHSA-2020:0870-01
Product: Red Hat Enterprise Linux Extras
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0870
Issue date: 2020-03-17
CVE Names: CVE-2018-1000656
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1. Summary:

An update for python-flask is now available for Red Hat Enterprise Linux 7
Extras.

Red Hat Product Security has rated this update as having a security impact
of Low. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux 7 Extras – noarch

3. Description:

Flask is a lightweight but extensible web development framework for Python
based on the Werkzeug WSGI toolkit, and the Jinja 2 template engine.

Security Fix(es):

* python-flask: Denial of Service via crafted JSON file (CVE-2018-1000656)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1623131 – CVE-2018-1000656 python-flask: Denial of Service via crafted JSON file

6. Package List:

Red Hat Enterprise Linux 7 Extras:

Source:
python-flask-0.10.1-5.el7_7.src.rpm

noarch:
python-flask-0.10.1-5.el7_7.noarch.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-1000656
https://access.redhat.com/security/updates/classification/#low

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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