SUSE-SU-2026:2742-1: important: Security update for pacemaker

# Security update for pacemaker

Announcement ID: SUSE-SU-2026:2742-1  
Release Date: 2026-07-03T09:20:51Z  
Rating: important  
References:

  * bsc#1268381

  
Cross-References:

  * 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:

  * openSUSE Leap 15.4
  * SUSE Linux Enterprise High Availability Extension 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Manager Proxy 4.3
  * SUSE Manager Retail Branch Server 4.3
  * SUSE Manager Server 4.3

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for pacemaker fixes the following issue

  * CVE-2026-10649: 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 High Availability Extension 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HA-15-SP4-2026-2742=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-2742=1

## Package List:

  * openSUSE Leap 15.4 (aarch64 i586 ppc64le s390x x86_64)
    * pacemaker-remote-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * pacemaker-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * libpacemaker3-debuginfo-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * pacemaker-debuginfo-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * libpacemaker3-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * libpacemaker-devel-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * pacemaker-remote-debuginfo-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * pacemaker-debugsource-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * pacemaker-cli-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * pacemaker-cli-debuginfo-2.1.2+20211124.ada5c3b36-150400.4.39.1
  * openSUSE Leap 15.4 (noarch)
    * pacemaker-cts-2.1.2+20211124.ada5c3b36-150400.4.39.1
  * SUSE Linux Enterprise High Availability Extension 15 SP4 (aarch64 ppc64le
    s390x x86_64)
    * pacemaker-remote-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * pacemaker-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * libpacemaker3-debuginfo-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * pacemaker-debuginfo-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * pacemaker-debugsource-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * libpacemaker3-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * libpacemaker-devel-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * pacemaker-remote-debuginfo-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * pacemaker-cli-debuginfo-2.1.2+20211124.ada5c3b36-150400.4.39.1
    * pacemaker-cli-2.1.2+20211124.ada5c3b36-150400.4.39.1
  * SUSE Linux Enterprise High Availability Extension 15 SP4 (noarch)
    * pacemaker-cts-2.1.2+20211124.ada5c3b36-150400.4.39.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-10649.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1268381