Issued:
2026-01-27
Updated:
2026-01-27

RHSA-2026:1340 - Important: resource-agents security update

Synopsis

Important: resource-agents security update

Type/Severity

Security Advisory Important

Topic

An update for resource-agents is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service.

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

The resource-agents packages provide the Pacemaker and RGManager service managers with a set of scripts. These scripts interface with several services to allow operating in a high-availability (HA) environment.

Security Fix(es):

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

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

For details on how to apply this update, which includes the changes described in this advisory, refer to:

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

Affected Products

ProductVersionArch
Red Hat Enterprise Linux High Availability for x86_64 - Update Services for SAP Solutions8.6x86_64
Red Hat Enterprise Linux High Availability for x86_64 - Telecommunications Update Service8.6x86_64
Red Hat Enterprise Linux High Availability for x86_64 - Extended Update Support Extension8.6x86_64
Red Hat Enterprise Linux High Availability for Power LE - Update Services for SAP Solutions8.6ppc64le

Updated Packages

  • resource-agents-gcp-4.9.0-16.el8_6.18.x86_64.rpm
  • resource-agents-aliyun-debuginfo-4.9.0-16.el8_6.18.x86_64.rpm
  • resource-agents-paf-4.9.0-16.el8_6.18.ppc64le.rpm
  • resource-agents-debugsource-4.9.0-16.el8_6.18.x86_64.rpm
  • resource-agents-aliyun-4.9.0-16.el8_6.18.x86_64.rpm
  • resource-agents-paf-4.9.0-16.el8_6.18.x86_64.rpm
  • resource-agents-debuginfo-4.9.0-16.el8_6.18.ppc64le.rpm
  • resource-agents-4.9.0-16.el8_6.18.x86_64.rpm
  • resource-agents-4.9.0-16.el8_6.18.ppc64le.rpm
  • resource-agents-debugsource-4.9.0-16.el8_6.18.ppc64le.rpm
  • resource-agents-debuginfo-4.9.0-16.el8_6.18.x86_64.rpm
  • resource-agents-4.9.0-16.el8_6.18.src.rpm

Fixes

CVEs

References

Additional information