RHSA-2026:53364: Important: resource-agents security update

Published Aug 11, 2026
·
Updated

Important: resource-agents security update

Other sources

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): pyasn1: pyasn1: Denial of Service via crafted ASN.1 REAL values (CVE-2026-59886) 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

33 affected componentsFixes available
Red Hat Red Hat Enterprise Linux Resilient Storage for Power, little endian
Red Hat Red Hat Enterprise Linux High Availability for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Resilient Storage for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux High Availability for Power, little endian
Red Hat Red Hat Enterprise Linux High Availability for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux High Availability for x86_64
Red Hat Red Hat Enterprise Linux High Availability for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Resilient Storage for IBM z Systems
Red Hat Red Hat Enterprise Linux Resilient Storage for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Resilient Storage for x86_64
Red Hat Red Hat Enterprise Linux High Availability for ARM 64
Red Hat Red Hat Enterprise Linux High Availability for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux High Availability for IBM z Systems
redhat/resource-agents<4.9.0-54.el8_10.37
4.9.0-54.el8_10.37
redhat/resource-agents<4.9.0-54.el8_10.37
4.9.0-54.el8_10.37
redhat/resource-agents-aliyun<4.9.0-54.el8_10.37
4.9.0-54.el8_10.37
redhat/resource-agents-aliyun-debuginfo<4.9.0-54.el8_10.37
4.9.0-54.el8_10.37
redhat/resource-agents-debuginfo<4.9.0-54.el8_10.37
4.9.0-54.el8_10.37
redhat/resource-agents-debugsource<4.9.0-54.el8_10.37
4.9.0-54.el8_10.37
redhat/resource-agents-gcp<4.9.0-54.el8_10.37
4.9.0-54.el8_10.37
redhat/resource-agents-paf<4.9.0-54.el8_10.37
4.9.0-54.el8_10.37
redhat/resource-agents<4.9.0-54.el8_10.37.aa
4.9.0-54.el8_10.37.aa
redhat/resource-agents-debuginfo<4.9.0-54.el8_10.37.aa
4.9.0-54.el8_10.37.aa
redhat/resource-agents-debugsource<4.9.0-54.el8_10.37.aa
4.9.0-54.el8_10.37.aa
redhat/resource-agents-paf<4.9.0-54.el8_10.37.aa
4.9.0-54.el8_10.37.aa
redhat/resource-agents-debuginfo<4.9.0-54.el8_10.37
4.9.0-54.el8_10.37
redhat/resource-agents-debugsource<4.9.0-54.el8_10.37
4.9.0-54.el8_10.37
redhat/resource-agents-paf<4.9.0-54.el8_10.37
4.9.0-54.el8_10.37
redhat/resource-agents<4.9.0-54.el8_10.37
4.9.0-54.el8_10.37
redhat/resource-agents-debuginfo<4.9.0-54.el8_10.37
4.9.0-54.el8_10.37
redhat/resource-agents-debugsource<4.9.0-54.el8_10.37
4.9.0-54.el8_10.37
redhat/resource-agents-paf<4.9.0-54.el8_10.37
4.9.0-54.el8_10.37

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/resource-agents to a version that resolves this vulnerability.

    Fixed in 4.9.0-54.el8_10.37
  2. Upgrade

    Upgrade redhat/resource-agents-aliyun to a version that resolves this vulnerability.

    Fixed in 4.9.0-54.el8_10.37
  3. Upgrade

    Upgrade redhat/resource-agents-aliyun-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.9.0-54.el8_10.37
  4. Upgrade

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

    Fixed in 4.9.0-54.el8_10.37
  5. Upgrade

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

    Fixed in 4.9.0-54.el8_10.37
  6. Upgrade

    Upgrade redhat/resource-agents-gcp to a version that resolves this vulnerability.

    Fixed in 4.9.0-54.el8_10.37
  7. Upgrade

    Upgrade redhat/resource-agents-paf to a version that resolves this vulnerability.

    Fixed in 4.9.0-54.el8_10.37
  8. Upgrade

    Upgrade redhat/resource-agents to a version that resolves this vulnerability.

    Fixed in 4.9.0-54.el8_10.37.aa
  9. Upgrade

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

    Fixed in 4.9.0-54.el8_10.37.aa
  10. Upgrade

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

    Fixed in 4.9.0-54.el8_10.37.aa
  11. Upgrade

    Upgrade redhat/resource-agents-paf to a version that resolves this vulnerability.

    Fixed in 4.9.0-54.el8_10.37.aa

Event History

Aug 11, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·07:59 AM
Data Sourced
via Red Hat·07:59 AM
Severity
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