Issued:
2026-02-16
Updated:
2026-02-16

RHSA-2026:2765 - Important: Satellite 6.16.6.1 Async Update

Synopsis

Important: Satellite 6.16.6.1 Async Update

Type/Severity

Security Advisory Important

Topic

An update is now available for Red Hat Satellite 6.16 for RHEL 8 and RHEL 9.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

Description

Red Hat Satellite is a system management solution that allows organizations to configure and maintain their systems without the necessity to provide public Internet access to their servers or other client systems. It performs provisioning and configuration management of predefined standard operating environments.

Bug Fix(es):

  • Clean duplicate erratum packages before bigint migration (6.16) (SAT-41984)

Security Fix(es):

  • python-urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion (CVE-2025-66418)

  • python-urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API) (CVE-2026-21441)

  • python-urllib3: urllib3 Streaming API improperly handles highly compressed data (CVE-2025-66471)

Users of Red Hat Satellite are advised to upgrade to these updated packages, which fix these bugs.

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.

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied.

For details on how to apply this update, refer to:

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

Affected Products

ProductVersionArch
Red Hat Satellite6.16x86_64
Red Hat Satellite6.16x86_64
Red Hat Satellite Capsule6.16x86_64
Red Hat Satellite Capsule6.16x86_64
Red Hat Enterprise Linux for x86_649x86_64
Red Hat Enterprise Linux for x86_648x86_64

Updated Packages

  • satellite-capsule-6.16.6.1-1.el9sat.noarch.rpm
  • rubygem-katello-4.14.0.16-1.el9sat.src.rpm
  • rubygem-katello-4.14.0.16-1.el9sat.noarch.rpm
  • satellite-cli-6.16.6.1-1.el9sat.noarch.rpm
  • satellite-common-6.16.6.1-1.el9sat.noarch.rpm
  • python3.11-urllib3-2.6.3-0.1.el8pc.noarch.rpm
  • python3.11-urllib3-2.6.3-0.1.el9pc.noarch.rpm
  • rubygem-katello-4.14.0.16-1.el8sat.noarch.rpm
  • satellite-capsule-6.16.6.1-1.el8sat.noarch.rpm
  • satellite-common-6.16.6.1-1.el8sat.noarch.rpm
  • satellite-6.16.6.1-1.el8sat.noarch.rpm
  • rubygem-katello-4.14.0.16-1.el8sat.src.rpm
  • satellite-6.16.6.1-1.el8sat.src.rpm
  • satellite-cli-6.16.6.1-1.el8sat.noarch.rpm
  • satellite-6.16.6.1-1.el9sat.src.rpm
  • python-urllib3-2.6.3-0.1.el8pc.src.rpm
  • python-urllib3-2.6.3-0.1.el9pc.src.rpm
  • satellite-6.16.6.1-1.el9sat.noarch.rpm

Fixes

CVEs

References

Additional information