RLSA-2026:39323

Synopsis

Important: pacemaker security update

Description

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.

Affected products

Rocky Linux 9 aarch64 Rocky Linux 9 ppc64le Rocky Linux 9 s390x Rocky Linux 9 x86_64

Fixes

2462817

CVEs

CVE-2026-10649

Affected packages

Rocky Linux 9 ppc64le - ResilientStorage

pacemaker-0:2.1.10-3.el9_8.ppc64le.rpm pacemaker-cli-0:2.1.10-3.el9_8.ppc64le.rpm pacemaker-cli-debuginfo-0:2.1.10-3.el9_8.ppc64le.rpm pacemaker-cts-0:2.1.10-3.el9_8.noarch.rpm pacemaker-doc-0:2.1.10-3.el9_8.noarch.rpm pacemaker-libs-devel-0:2.1.10-3.el9_8.ppc64le.rpm pacemaker-nagios-plugins-metadata-0:2.1.10-3.el9_8.noarch.rpm pacemaker-remote-0:2.1.10-3.el9_8.ppc64le.rpm pacemaker-remote-debuginfo-0:2.1.10-3.el9_8.ppc64le.rpm python3-pacemaker-0:2.1.10-3.el9_8.noarch.rpm

Rocky Linux 9 s390x - ResilientStorage

pacemaker-0:2.1.10-3.el9_8.s390x.rpm pacemaker-cli-0:2.1.10-3.el9_8.s390x.rpm pacemaker-cli-debuginfo-0:2.1.10-3.el9_8.s390x.rpm pacemaker-cts-0:2.1.10-3.el9_8.noarch.rpm pacemaker-doc-0:2.1.10-3.el9_8.noarch.rpm pacemaker-libs-devel-0:2.1.10-3.el9_8.s390x.rpm pacemaker-nagios-plugins-metadata-0:2.1.10-3.el9_8.noarch.rpm pacemaker-remote-0:2.1.10-3.el9_8.s390x.rpm pacemaker-remote-debuginfo-0:2.1.10-3.el9_8.s390x.rpm python3-pacemaker-0:2.1.10-3.el9_8.noarch.rpm

Rocky Linux 9 x86_64 - AppStream

pacemaker-0:2.1.10-3.el9_8.src.rpm pacemaker-cluster-libs-0:2.1.10-3.el9_8.i686.rpm pacemaker-cluster-libs-0:2.1.10-3.el9_8.x86_64.rpm pacemaker-cluster-libs-debuginfo-0:2.1.10-3.el9_8.i686.rpm pacemaker-cluster-libs-debuginfo-0:2.1.10-3.el9_8.x86_64.rpm pacemaker-debuginfo-0:2.1.10-3.el9_8.i686.rpm pacemaker-debuginfo-0:2.1.10-3.el9_8.x86_64.rpm pacemaker-debugsource-0:2.1.10-3.el9_8.i686.rpm pacemaker-debugsource-0:2.1.10-3.el9_8.x86_64.rpm pacemaker-libs-0:2.1.10-3.el9_8.i686.rpm pacemaker-libs-0:2.1.10-3.el9_8.x86_64.rpm pacemaker-libs-debuginfo-0:2.1.10-3.el9_8.i686.rpm pacemaker-libs-debuginfo-0:2.1.10-3.el9_8.x86_64.rpm pacemaker-schemas-0:2.1.10-3.el9_8.noarch.rpm

Rocky Linux 9 aarch64 - AppStream

pacemaker-0:2.1.10-3.el9_8.src.rpm pacemaker-cluster-libs-0:2.1.10-3.el9_8.aarch64.rpm pacemaker-cluster-libs-debuginfo-0:2.1.10-3.el9_8.aarch64.rpm pacemaker-debuginfo-0:2.1.10-3.el9_8.aarch64.rpm pacemaker-debugsource-0:2.1.10-3.el9_8.aarch64.rpm pacemaker-libs-0:2.1.10-3.el9_8.aarch64.rpm pacemaker-libs-debuginfo-0:2.1.10-3.el9_8.aarch64.rpm pacemaker-schemas-0:2.1.10-3.el9_8.noarch.rpm

Rocky Linux 9 s390x - AppStream

pacemaker-0:2.1.10-3.el9_8.src.rpm pacemaker-cluster-libs-0:2.1.10-3.el9_8.s390x.rpm pacemaker-cluster-libs-debuginfo-0:2.1.10-3.el9_8.s390x.rpm pacemaker-debuginfo-0:2.1.10-3.el9_8.s390x.rpm pacemaker-debugsource-0:2.1.10-3.el9_8.s390x.rpm pacemaker-libs-0:2.1.10-3.el9_8.s390x.rpm pacemaker-libs-debuginfo-0:2.1.10-3.el9_8.s390x.rpm pacemaker-schemas-0:2.1.10-3.el9_8.noarch.rpm

Rocky Linux 9 ppc64le - AppStream

pacemaker-0:2.1.10-3.el9_8.src.rpm pacemaker-cluster-libs-0:2.1.10-3.el9_8.ppc64le.rpm pacemaker-cluster-libs-debuginfo-0:2.1.10-3.el9_8.ppc64le.rpm pacemaker-debuginfo-0:2.1.10-3.el9_8.ppc64le.rpm pacemaker-debugsource-0:2.1.10-3.el9_8.ppc64le.rpm pacemaker-libs-0:2.1.10-3.el9_8.ppc64le.rpm pacemaker-libs-debuginfo-0:2.1.10-3.el9_8.ppc64le.rpm pacemaker-schemas-0:2.1.10-3.el9_8.noarch.rpm

Rocky Linux 9 x86_64 - ResilientStorage

pacemaker-0:2.1.10-3.el9_8.x86_64.rpm pacemaker-cli-0:2.1.10-3.el9_8.x86_64.rpm pacemaker-cli-debuginfo-0:2.1.10-3.el9_8.x86_64.rpm pacemaker-cts-0:2.1.10-3.el9_8.noarch.rpm pacemaker-doc-0:2.1.10-3.el9_8.noarch.rpm pacemaker-libs-devel-0:2.1.10-3.el9_8.i686.rpm pacemaker-libs-devel-0:2.1.10-3.el9_8.x86_64.rpm pacemaker-nagios-plugins-metadata-0:2.1.10-3.el9_8.noarch.rpm pacemaker-remote-0:2.1.10-3.el9_8.x86_64.rpm pacemaker-remote-debuginfo-0:2.1.10-3.el9_8.x86_64.rpm python3-pacemaker-0:2.1.10-3.el9_8.noarch.rpm