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Red Hat Security Advisory 2021-1631-01

Red Hat Security Advisory 2021-1631-01
Posted May 19, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1631-01 - The python-urllib3 package provides the Python HTTP module with connection pooling and file POST abilities. Issues addressed include a crlf injection vulnerability.

tags | advisory, web, python
systems | linux, redhat
advisories | CVE-2020-26137
MD5 | 8a7b652c03bdf87cc8163655d542648b

Red Hat Security Advisory 2021-1631-01

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====================================================================
Red Hat Security Advisory

Synopsis: Moderate: python-urllib3 security update
Advisory ID: RHSA-2021:1631-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1631
Issue date: 2021-05-18
CVE Names: CVE-2020-26137
====================================================================
1. Summary:

An update for python-urllib3 is now available for Red Hat Enterprise Linux
8.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 BaseOS (v. 8) - noarch

3. Description:

The python-urllib3 package provides the Python HTTP module with connection
pooling and file POST abilities.

Security Fix(es):

* python-urllib3: CRLF injection via HTTP request method (CVE-2020-26137)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.4 Release Notes linked from 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/):

1883632 - CVE-2020-26137 python-urllib3: CRLF injection via HTTP request method

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
python-urllib3-1.24.2-5.el8.src.rpm

noarch:
python3-urllib3-1.24.2-5.el8.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-2020-26137
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/

8. Contact:

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

Copyright 2021 Red Hat, Inc.
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