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

RHSA-2026:2760 - Important: Satellite 6.18.3 Async Update

Synopsis

Important: Satellite 6.18.3 Async Update

Type/Severity

Security Advisory Important

Topic

A new release is now available for Red Hat Satellite 6.18 for 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.

Security Fix(es):

  • python-aiohttp: AIOHTTP HTTP Request/Response Smuggling (CVE-2025-53643)
  • python3.12-urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API) (CVE-2026-21441)
  • python3.12-urllib3: urllib3 Streaming API improperly handles highly compressed data (CVE-2025-66471)

Solution

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

For detailed instructions how to apply this update, refer to:

https://access.redhat.com/documentation/en-us/red_hat_satellite/6.18/html/updating_red_hat_satellite/index

Affected Products

ProductVersionArch
Red Hat Satellite6.18x86_64
Red Hat Satellite Capsule6.18x86_64
Red Hat Enterprise Linux for x86_649x86_64

Updated Packages

  • foreman-redis-3.16.0.10-1.el9sat.noarch.rpm
  • foreman-debug-3.16.0.10-1.el9sat.noarch.rpm
  • foreman-installer-katello-3.16.0.4-1.el9sat.noarch.rpm
  • rubygem-katello-4.18.0.6-1.el9sat.src.rpm
  • satellite-cli-6.18.3-1.el9sat.noarch.rpm
  • python3.12-brotli-debugsource-1.2.0-1.el9pc.x86_64.rpm
  • python3.12-brotli-1.2.0-1.el9pc.x86_64.rpm
  • foreman-telemetry-3.16.0.10-1.el9sat.noarch.rpm
  • foreman-vmware-3.16.0.10-1.el9sat.noarch.rpm
  • rubygem-katello-4.18.0.6-1.el9sat.noarch.rpm
  • python3.12-aiohappyeyeballs-2.6.1-1.el9pc.src.rpm
  • python3.12-brotli-debuginfo-1.2.0-1.el9pc.x86_64.rpm
  • python3.12-urllib3-2.6.3-1.el9pc.src.rpm
  • satellite-6.18.3-1.el9sat.src.rpm
  • python3.12-yarl-1.20.1-1.el9pc.noarch.rpm
  • rubygem-foreman_maintain-1.13.7-1.el9sat.src.rpm
  • rubygem-foreman_rh_cloud-12.2.14-1.el9sat.src.rpm
  • python3.12-pulpcore-3.73.22-2.el9pc.noarch.rpm
  • python3.12-aiohttp-3.13.3-1.el9pc.x86_64.rpm
  • python3.12-aiohttp-3.13.3-1.el9pc.src.rpm
  • foreman-openstack-3.16.0.10-1.el9sat.noarch.rpm
  • rubygem-hammer_cli_foreman_bootdisk-0.4.2-1.el9sat.src.rpm
  • foreman-postgresql-3.16.0.10-1.el9sat.noarch.rpm
  • python3.12-yarl-1.20.1-1.el9pc.src.rpm
  • foreman-service-3.16.0.10-1.el9sat.noarch.rpm
  • satellite-lifecycle-6.18.0-2.el9sat.noarch.rpm
  • satellite-obsolete-packages-6.18.3-1.el9sat.noarch.rpm
  • foreman-3.16.0.10-1.el9sat.src.rpm
  • foreman-3.16.0.10-1.el9sat.noarch.rpm
  • python3.12-aiohttp-debugsource-3.13.3-1.el9pc.x86_64.rpm
  • satellite-6.18.3-1.el9sat.noarch.rpm
  • rubygem-hammer_cli_foreman_bootdisk-0.4.2-1.el9sat.noarch.rpm
  • foreman-libvirt-3.16.0.10-1.el9sat.noarch.rpm
  • python3.12-brotli-1.2.0-1.el9pc.src.rpm
  • foreman-installer-3.16.0.4-1.el9sat.noarch.rpm
  • rubygem-foreman_maintain-1.13.7-1.el9sat.noarch.rpm
  • satellite-common-6.18.3-1.el9sat.noarch.rpm
  • python3.12-urllib3-2.6.3-1.el9pc.noarch.rpm
  • foreman-cli-3.16.0.10-1.el9sat.noarch.rpm
  • python3.12-aiohttp-debuginfo-3.13.3-1.el9pc.x86_64.rpm
  • foreman-ec2-3.16.0.10-1.el9sat.noarch.rpm
  • foreman-installer-3.16.0.4-1.el9sat.src.rpm
  • foreman-pcp-3.16.0.10-1.el9sat.noarch.rpm
  • python3.12-aiohappyeyeballs-2.6.1-1.el9pc.noarch.rpm
  • python3.12-pulpcore-3.73.22-2.el9pc.src.rpm
  • satellite-capsule-6.18.3-1.el9sat.noarch.rpm
  • satellite-lifecycle-6.18.0-2.el9sat.src.rpm
  • foreman-journald-3.16.0.10-1.el9sat.noarch.rpm
  • foreman-dynflow-sidekiq-3.16.0.10-1.el9sat.noarch.rpm
  • rubygem-foreman_rh_cloud-12.2.14-1.el9sat.noarch.rpm

Fixes

CVEs

References

Additional information