RHSA-2026:39322 — Security Advisory

An update for pacemaker 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.

The Pacemaker cluster resource manager is a collection of technologies working together to maintain data integrity and application availability in the event of failures.

Security Fix(es):

• pacemaker: Pacemaker: Denial of Service via integer overflow in remote message decompression (CVE-2026-10649)

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.