RHSA-2025:8135: Important: python-tornado security update

Published May 26, 2025
·
Updated

Important: python-tornado security update

Other sources

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): tornado: Tornado Multipart Form-Data Denial of Service (CVE-2025-47287) 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.

Red Hat

Affected Software

25 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - 4 years of support
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for x86_64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian
redhat/python-tornado<6.4.2-1.el10_0.1
6.4.2-1.el10_0.1
redhat/python-tornado-debugsource<6.4.2-1.el10_0.1
6.4.2-1.el10_0.1
redhat/python3-tornado<6.4.2-1.el10_0.1
6.4.2-1.el10_0.1
redhat/python3-tornado-debuginfo<6.4.2-1.el10_0.1
6.4.2-1.el10_0.1
redhat/python-tornado-debugsource<6.4.2-1.el10_0.1
6.4.2-1.el10_0.1
redhat/python3-tornado<6.4.2-1.el10_0.1
6.4.2-1.el10_0.1
redhat/python3-tornado-debuginfo<6.4.2-1.el10_0.1
6.4.2-1.el10_0.1
redhat/python-tornado-debugsource<6.4.2-1.el10_0.1
6.4.2-1.el10_0.1
redhat/python3-tornado<6.4.2-1.el10_0.1
6.4.2-1.el10_0.1
redhat/python3-tornado-debuginfo<6.4.2-1.el10_0.1
6.4.2-1.el10_0.1
redhat/python-tornado-debugsource<6.4.2-1.el10_0.1.aa
6.4.2-1.el10_0.1.aa
redhat/python3-tornado<6.4.2-1.el10_0.1.aa
6.4.2-1.el10_0.1.aa
redhat/python3-tornado-debuginfo<6.4.2-1.el10_0.1.aa
6.4.2-1.el10_0.1.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 6.4.2-1.el10_0.1
  2. Upgrade

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

    Fixed in 6.4.2-1.el10_0.1
  3. Upgrade

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

    Fixed in 6.4.2-1.el10_0.1
  4. Upgrade

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

    Fixed in 6.4.2-1.el10_0.1
  5. Upgrade

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

    Fixed in 6.4.2-1.el10_0.1.aa
  6. Upgrade

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

    Fixed in 6.4.2-1.el10_0.1.aa
  7. Upgrade

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

    Fixed in 6.4.2-1.el10_0.1.aa

Event History

May 26, 2025
Advisory Published
via Red Hat·09:30 AM
Aug 23, 2026
Advisory Published
via Red Hat·06:06 AM
Data Sourced
via Red Hat·06:06 AM
RemedyDescriptionAffected Software

Frequently Asked Questions

1

What is the severity of RHSA-2025:8135?

The severity of RHSA-2025:8135 is classified as important.

2

How do I fix RHSA-2025:8135?

To fix RHSA-2025:8135, update the python-tornado package to version 6.4.2-1.el10_0.1 or newer.

3

What versions of software are affected by RHSA-2025:8135?

RHSA-2025:8135 affects multiple versions of Red Hat Enterprise Linux and its architectures including IBM z Systems, Power, and ARM.

4

What packages are related to RHSA-2025:8135?

Related packages for RHSA-2025:8135 include python-tornado, python3-tornado, and their corresponding debug and debuginfo packages.

5

What is the main issue addressed by RHSA-2025:8135?

RHSA-2025:8135 addresses a security vulnerability in the python-tornado package.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203