SUSE alert SUSE-SU-2026:2116-1 (csync2)

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OPENSUSE-SECURITY-UPDATES <null@suse.de>
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security-announce@lists.opensuse.org
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SUSE-SU-2026:2116-1: moderate: Security update for csync2
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Fri, 29 May 2026 20:37:51 -0000
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<178008707171.435.8967751147921954717@cf67f1158b88>
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Article
# Security update for csync2

Announcement ID: SUSE-SU-2026:2116-1  
Release Date: 2026-05-29T15:29:09Z  
Rating: moderate  
References:

  * bsc#1262472

  
Cross-References:

  * CVE-2026-41051

  
CVSS scores:

  * CVE-2026-41051 ( SUSE ):  5.1
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-41051 ( SUSE ):  5.0 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-41051 ( NVD ):  5.1

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-41051 ( NVD ):  5.0 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

  
Affected Products:

  * openSUSE Leap 15.3
  * SUSE Linux Enterprise High Availability Extension 15 SP4
  * SUSE Linux Enterprise High Availability Extension 15 SP5
  * SUSE Linux Enterprise High Availability Extension 15 SP6
  * SUSE Linux Enterprise High Availability Extension 15 SP7
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7
  * 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 csync2 fixes the following issue

  * CVE-2026-41051: uses insecure temporary directories when compiled with C99
    or later (bsc#1262472).

## 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-SP4-2026-2116=1

  * SUSE Linux Enterprise High Availability Extension 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HA-15-SP5-2026-2116=1

  * SUSE Linux Enterprise High Availability Extension 15 SP6  
    zypper in -t patch SUSE-SLE-Product-HA-15-SP6-2026-2116=1

  * openSUSE Leap 15.3  
    zypper in -t patch SUSE-2026-2116=1

  * SUSE Linux Enterprise High Availability Extension 15 SP7  
    zypper in -t patch SUSE-SLE-Product-HA-15-SP7-2026-2116=1

## Package List:

  * SUSE Linux Enterprise High Availability Extension 15 SP4 (aarch64 ppc64le
    s390x x86_64)
    * csync2-debuginfo-2.0+git.1600444747.83b3644-150300.3.6.1
    * csync2-2.0+git.1600444747.83b3644-150300.3.6.1
    * csync2-debugsource-2.0+git.1600444747.83b3644-150300.3.6.1
  * SUSE Linux Enterprise High Availability Extension 15 SP5 (aarch64 ppc64le
    s390x x86_64)
    * csync2-debuginfo-2.0+git.1600444747.83b3644-150300.3.6.1
    * csync2-2.0+git.1600444747.83b3644-150300.3.6.1
    * csync2-debugsource-2.0+git.1600444747.83b3644-150300.3.6.1
  * SUSE Linux Enterprise High Availability Extension 15 SP6 (aarch64 ppc64le
    s390x x86_64)
    * csync2-debuginfo-2.0+git.1600444747.83b3644-150300.3.6.1
    * csync2-2.0+git.1600444747.83b3644-150300.3.6.1
    * csync2-debugsource-2.0+git.1600444747.83b3644-150300.3.6.1
  * openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64 i586)
    * csync2-debuginfo-2.0+git.1600444747.83b3644-150300.3.6.1
    * csync2-2.0+git.1600444747.83b3644-150300.3.6.1
    * csync2-debugsource-2.0+git.1600444747.83b3644-150300.3.6.1
  * SUSE Linux Enterprise High Availability Extension 15 SP7 (aarch64 ppc64le
    s390x x86_64)
    * csync2-debuginfo-2.0+git.1600444747.83b3644-150300.3.6.1
    * csync2-2.0+git.1600444747.83b3644-150300.3.6.1
    * csync2-debugsource-2.0+git.1600444747.83b3644-150300.3.6.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-41051.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1262472



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