RHSA-2026:99691: Moderate: python3 security update

Published Nov 12, 2026
·
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: python: Arbitrary file write via tarfile extraction filter bypass (CVE-2026-114583) python: python: Misinterpretation of HTTP responses via invalid chunk parsing (CVE-2026-103995) python: python: Security bypass via null byte truncation in socket.getaddrinfo() (CVE-2026-116566) 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<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/platform-python<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/platform-python<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/platform-python-debug<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/platform-python-debug<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/platform-python-devel<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/platform-python-devel<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-debuginfo<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-debuginfo<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-debugsource<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-debugsource<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-idle<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-idle<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-libs<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-libs<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-test<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-test<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-tkinter<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-tkinter<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/platform-python<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/platform-python-debug<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/platform-python-devel<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-debuginfo<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-debugsource<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-idle<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-libs<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-test<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/python3-tkinter<3.6.8-80.el8_10
3.6.8-80.el8_10
redhat/platform-python<3.6.8-80.el8_10.aa
3.6.8-80.el8_10.aa
redhat/platform-python-debug<3.6.8-80.el8_10.aa
3.6.8-80.el8_10.aa
redhat/platform-python-devel<3.6.8-80.el8_10.aa
3.6.8-80.el8_10.aa
redhat/python3-debuginfo<3.6.8-80.el8_10.aa
3.6.8-80.el8_10.aa
redhat/python3-debugsource<3.6.8-80.el8_10.aa
3.6.8-80.el8_10.aa
redhat/python3-idle<3.6.8-80.el8_10.aa
3.6.8-80.el8_10.aa
redhat/python3-libs<3.6.8-80.el8_10.aa
3.6.8-80.el8_10.aa
redhat/python3-test<3.6.8-80.el8_10.aa
3.6.8-80.el8_10.aa
redhat/python3-tkinter<3.6.8-80.el8_10.aa
3.6.8-80.el8_10.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 3.6.8-80.el8_10
  2. Upgrade

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

    Fixed in 3.6.8-80.el8_10
  3. Upgrade

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

    Fixed in 3.6.8-80.el8_10
  4. Upgrade

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

    Fixed in 3.6.8-80.el8_10
  5. Upgrade

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

    Fixed in 3.6.8-80.el8_10
  6. Upgrade

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

    Fixed in 3.6.8-80.el8_10
  7. Upgrade

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

    Fixed in 3.6.8-80.el8_10
  8. Upgrade

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

    Fixed in 3.6.8-80.el8_10
  9. Upgrade

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

    Fixed in 3.6.8-80.el8_10
  10. Upgrade

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

    Fixed in 3.6.8-80.el8_10
  11. Upgrade

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

    Fixed in 3.6.8-80.el8_10.aa
  12. Upgrade

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

    Fixed in 3.6.8-80.el8_10.aa
  13. Upgrade

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

    Fixed in 3.6.8-80.el8_10.aa
  14. Upgrade

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

    Fixed in 3.6.8-80.el8_10.aa
  15. Upgrade

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

    Fixed in 3.6.8-80.el8_10.aa
  16. Upgrade

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

    Fixed in 3.6.8-80.el8_10.aa
  17. Upgrade

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

    Fixed in 3.6.8-80.el8_10.aa
  18. Upgrade

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

    Fixed in 3.6.8-80.el8_10.aa
  19. Upgrade

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

    Fixed in 3.6.8-80.el8_10.aa

Event History

Nov 12, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software

Frequently Asked Questions

1

Which installed components are covered by this update?

The update covers redhat/platform-python, redhat/platform-python-debug, redhat/platform-python-devel, redhat/python3-debuginfo, redhat/python3-debugsource, redhat/python3-idle, redhat/python3-libs, and redhat/python3-test.

2

Which vulnerability types are addressed?

The fixes address an arbitrary file-write issue involving tarfile extraction filter bypass, HTTP response misinterpretation caused by invalid chunk parsing, and a security bypass involving null-byte truncation in socket.getaddrinfo().

3

Does the advisory provide affected versions, default-configuration exposure, or temporary mitigations?

No. The provided advisory data does not specify affected or fixed version numbers, whether default configurations are exposed, or mitigations for systems that cannot be patched immediately.

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