SUSE-SU-2026:4863-1: important: Security update for go1.27

SLE-SECURITY-UPDATES null at suse.de
Thu Oct 22 20:34:55 UTC 2026 

# Security update for go1.27

Announcement ID: SUSE-SU-2026:4863-1  
Release Date: 2026-10-22T13:35:56Z  
Rating: important  
References:

  * bsc#1272545
  * bsc#1286261
  * bsc#1286317

  
Cross-References:

  * CVE-2026-111943

  
CVSS scores:

  * CVE-2026-111943 ( SUSE ):  7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

  
Affected Products:

  * Development Tools Module 15-SP7
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP5 LTSS
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP6 LTSS
  * 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

  
  
An update that solves one vulnerability and has two security fixes can now be
installed.

## Description:

This update for go1.27 fixes the following issues:

Update to go 1.27.3 (bsc#1272545):

  * CVE-2026-111943: crypto/x509: mitigation for security concerns with a
    specific Certificate Authority (bsc#1286317, bsc#1286261).

## 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 for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-4863

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-4863

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-4863

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-4863

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-4863

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-4863

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-4863

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-4863

  * Development Tools Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP7-2026-4863

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-4863

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-4863

## Package List:

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * go1.27-1.27.3-150000.1.15.1
    * go1.27-doc-1.27.3-150000.1.15.1
    * go1.27-race-1.27.3-150000.1.15.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * go1.27-1.27.3-150000.1.15.1
    * go1.27-doc-1.27.3-150000.1.15.1
    * go1.27-race-1.27.3-150000.1.15.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * go1.27-1.27.3-150000.1.15.1
    * go1.27-doc-1.27.3-150000.1.15.1
    * go1.27-race-1.27.3-150000.1.15.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * go1.27-1.27.3-150000.1.15.1
    * go1.27-doc-1.27.3-150000.1.15.1
    * go1.27-race-1.27.3-150000.1.15.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * go1.27-1.27.3-150000.1.15.1
    * go1.27-doc-1.27.3-150000.1.15.1
    * go1.27-race-1.27.3-150000.1.15.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * go1.27-1.27.3-150000.1.15.1
    * go1.27-doc-1.27.3-150000.1.15.1
    * go1.27-race-1.27.3-150000.1.15.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * go1.27-1.27.3-150000.1.15.1
    * go1.27-doc-1.27.3-150000.1.15.1
    * go1.27-race-1.27.3-150000.1.15.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * go1.27-1.27.3-150000.1.15.1
    * go1.27-doc-1.27.3-150000.1.15.1
    * go1.27-race-1.27.3-150000.1.15.1
  * Development Tools Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * go1.27-1.27.3-150000.1.15.1
    * go1.27-doc-1.27.3-150000.1.15.1
    * go1.27-race-1.27.3-150000.1.15.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * go1.27-1.27.3-150000.1.15.1
    * go1.27-doc-1.27.3-150000.1.15.1
    * go1.27-race-1.27.3-150000.1.15.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * go1.27-1.27.3-150000.1.15.1
    * go1.27-doc-1.27.3-150000.1.15.1
    * go1.27-race-1.27.3-150000.1.15.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-111943.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1272545
  * https://bugzilla.suse.com/show_bug.cgi?id=1286261
  * https://bugzilla.suse.com/show_bug.cgi?id=1286317

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