RHSA-2026:1904 — Security Advisory
Red Hat Security Advisory: resource-agents security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · February 4, 2026
Updated · November 1, 2026
Topic
An update for resource-agents is now available for Red Hat Enterprise Linux 8.
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):
- pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID (CVE-2026-23490)
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.