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SUSE Pacemaker Important Denial of Service CVE-2026-10649

suse
Calendar Grey July 14, 2026
Scroller Suse
This important update resolves a denial of service issue in pacemaker for SUSE systems, ensuring enhanced security.
A security update addresses a vulnerability in pacemaker, fixing a denial of service issue related to integer overflow, which affects several SUSE Linux Enterprise products.

Summary

## This update for pacemaker fixes the following issues: * CVE-2026-10649: Fixed denial of service via integer overflow in remote message decompression (bsc#1268381). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Enterprise Server 12 SP5 LTSS zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-2970=1 * SUSE Linux Enterprise Server for SAP Applications 12 SP5 zypper in -t patch SUSE-SLE-HA-12-SP5-2026-2970=1 * SUSE Linux Enterprise High Availability Extension 12 SP5 zypper in -t patch SUSE-SLE-HA-12-SP5-2026-2970=1 * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security

Topics%20covered

Topics Covered

security advisory denial of service SuSE important pacemaker CVE-2026-10649

References

* bsc#1268381

Cross-

* CVE-2026-10649

CVSS scores:

* CVE-2026-10649 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-10649 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

* CVE-2026-10649 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Affected Products:

* SUSE Linux Enterprise High Availability Extension 12 SP5

* SUSE Linux Enterprise High Performance Computing 12 SP5

* SUSE Linux Enterprise Server 12 SP5

* SUSE Linux Enterprise Server 12 SP5 LTSS

* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security

* SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-10649.html

* https://bugzilla.suse.com/show_bug.cgi?id=1268381

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2970-1
Release Date: 2026-07-14T11:27:53Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service SuSE important pacemaker CVE-2026-10649

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