RHSA-2021:4057: Moderate: python3 security update

Published Nov 2, 2021
·
Updated

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fix(es): python: urllib: Regular expression DoS in AbstractBasicAuthHandler (CVE-2021-3733) 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.

Affected Software

37 affected componentsFixes available
redhat/python3<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/platform-python<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/platform-python<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/platform-python-debug<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/platform-python-debug<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/platform-python-devel<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/platform-python-devel<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-debuginfo<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-debuginfo<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-debugsource<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-debugsource<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-idle<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-idle<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-libs<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-libs<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-test<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-test<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-tkinter<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-tkinter<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/platform-python<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/platform-python-debug<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/platform-python-devel<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-debuginfo<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-debugsource<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-idle<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-libs<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-test<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/python3-tkinter<3.6.8-39.el8_4
3.6.8-39.el8_4
redhat/platform-python<3.6.8-39.el8_4.aa
3.6.8-39.el8_4.aa
redhat/platform-python-debug<3.6.8-39.el8_4.aa
3.6.8-39.el8_4.aa
redhat/platform-python-devel<3.6.8-39.el8_4.aa
3.6.8-39.el8_4.aa
redhat/python3-debuginfo<3.6.8-39.el8_4.aa
3.6.8-39.el8_4.aa
redhat/python3-debugsource<3.6.8-39.el8_4.aa
3.6.8-39.el8_4.aa
redhat/python3-idle<3.6.8-39.el8_4.aa
3.6.8-39.el8_4.aa
redhat/python3-libs<3.6.8-39.el8_4.aa
3.6.8-39.el8_4.aa
redhat/python3-test<3.6.8-39.el8_4.aa
3.6.8-39.el8_4.aa
redhat/python3-tkinter<3.6.8-39.el8_4.aa
3.6.8-39.el8_4.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/python3 to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  2. Upgrade

    Upgrade redhat/platform-python to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  3. Upgrade

    Upgrade redhat/platform-python-debug to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  4. Upgrade

    Upgrade redhat/platform-python-devel to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  5. Upgrade

    Upgrade redhat/python3-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  6. Upgrade

    Upgrade redhat/python3-debugsource to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  7. Upgrade

    Upgrade redhat/python3-idle to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  8. Upgrade

    Upgrade redhat/python3-libs to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  9. Upgrade

    Upgrade redhat/python3-test to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  10. Upgrade

    Upgrade redhat/python3-tkinter to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  11. Upgrade

    Upgrade redhat/platform-python to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4.aa
  12. Upgrade

    Upgrade redhat/platform-python-debug to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4.aa
  13. Upgrade

    Upgrade redhat/platform-python-devel to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4.aa
  14. Upgrade

    Upgrade redhat/python3-debuginfo to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4.aa
  15. Upgrade

    Upgrade redhat/python3-debugsource to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4.aa
  16. Upgrade

    Upgrade redhat/python3-idle to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4.aa
  17. Upgrade

    Upgrade redhat/python3-libs to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4.aa
  18. Upgrade

    Upgrade redhat/python3-test to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4.aa
  19. Upgrade

    Upgrade redhat/python3-tkinter to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4.aa
  20. Upgrade

    Upgrade python3/platform-python-3.6.8-39.el8_4 to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  21. Upgrade

    Upgrade platform-python-debug-3.6.8-39.el8_4 to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  22. Upgrade

    Upgrade platform-python-devel-3.6.8-39.el8_4 to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  23. Upgrade

    Upgrade python3-3.6.8-39.el8_4 to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  24. Upgrade

    Upgrade python3-debuginfo-3.6.8-39.el8_4 to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  25. Upgrade

    Upgrade python3-debugsource-3.6.8-39.el8_4 to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  26. Upgrade

    Upgrade python3-idle-3.6.8-39.el8_4 to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  27. Upgrade

    Upgrade python3-libs-3.6.8-39.el8_4 to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  28. Upgrade

    Upgrade python3-test-3.6.8-39.el8_4 to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4
  29. Upgrade

    Upgrade python3-tkinter-3.6.8-39.el8_4 to a version that resolves this vulnerability.

    Fixed in 3.6.8-39.el8_4

Event History

Jul 9, 2026
Advisory Published
via Red Hat·08:16 PM
Data Sourced
via Red Hat·08:16 PM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2021:4057?

The severity of RHSA-2021:4057 is classified as important.

2

How do I fix RHSA-2021:4057?

To fix RHSA-2021:4057, upgrade to the packages with version 3.6.8-39.el8_4 or higher.

3

What packages are affected by RHSA-2021:4057?

RHSA-2021:4057 affects various python3 packages including python3, platform-python, and their debug and devel variants.

4

What systems are impacted by RHSA-2021:4057?

RHSA-2021:4057 impacts systems running Red Hat Enterprise Linux 8 with specific versions of the Python packages.

5

Is RHSA-2021:4057 a remote vulnerability?

Yes, RHSA-2021:4057 may be exploited remotely, which highlights its importance in maintaining security.

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