RHSA-2026:53364: Important: resource-agents security update
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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/resource-agentsto a version that resolves this vulnerability.Fixed in 4.9.0-54.el8_10.37 - Upgrade
Upgrade
redhat/resource-agents-aliyunto a version that resolves this vulnerability.Fixed in 4.9.0-54.el8_10.37 - Upgrade
Upgrade
redhat/resource-agents-aliyun-debuginfoto a version that resolves this vulnerability.Fixed in 4.9.0-54.el8_10.37 - Upgrade
Upgrade
redhat/resource-agents-debuginfoto a version that resolves this vulnerability.Fixed in 4.9.0-54.el8_10.37 - Upgrade
Upgrade
redhat/resource-agents-debugsourceto a version that resolves this vulnerability.Fixed in 4.9.0-54.el8_10.37 - Upgrade
Upgrade
redhat/resource-agents-gcpto a version that resolves this vulnerability.Fixed in 4.9.0-54.el8_10.37 - Upgrade
Upgrade
redhat/resource-agents-pafto a version that resolves this vulnerability.Fixed in 4.9.0-54.el8_10.37 - Upgrade
Upgrade
redhat/resource-agentsto a version that resolves this vulnerability.Fixed in 4.9.0-54.el8_10.37.aa - Upgrade
Upgrade
redhat/resource-agents-debuginfoto a version that resolves this vulnerability.Fixed in 4.9.0-54.el8_10.37.aa - Upgrade
Upgrade
redhat/resource-agents-debugsourceto a version that resolves this vulnerability.Fixed in 4.9.0-54.el8_10.37.aa - Upgrade
Upgrade
redhat/resource-agents-pafto a version that resolves this vulnerability.Fixed in 4.9.0-54.el8_10.37.aa
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:53364?
The severity of RHSA-2026:53364 is classified as high with a score of 7.
What security issues does RHSA-2026:53364 address?
RHSA-2026:53364 addresses a security vulnerability related to pyasn1 that can lead to a denial of service.
How do I fix RHSA-2026:53364?
To fix RHSA-2026:53364, you should upgrade the affected resource-agents packages to the latest version provided by Red Hat.
Which packages are affected by RHSA-2026:53364?
The affected packages in RHSA-2026:53364 include redhat/resource-agents, redhat/resource-agents-debuginfo, and several others associated with high availability services.
What is the purpose of the resource-agents in RHSA-2026:53364?
The resource-agents provide scripts that interface with services to manage high-availability environments using Pacemaker and RGManager.