SUSE-SU-2026:24360-1: important: Security update for go1.27

Mon Oct 26 16:30:30 UTC 2026

# Security update for go1.27

Announcement ID: SUSE-SU-2026:24360-1  
Release Date: 2026-10-21T21:25:38Z  
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:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP applications 16.0

An update that solves one vulnerability and has two 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 16.0  
    zypper in -t patch SUSE-SLES-16.0-1957

  * SUSE Linux Enterprise Server 16.0  
    zypper in -t patch SUSE-SLES-16.0-1957

## Package List:

  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * go1.27-race-1.27.3-160000.1.1
    * go1.27-1.27.3-160000.1.1
    * go1.27-doc-1.27.3-160000.1.1
  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * go1.27-race-1.27.3-160000.1.1
    * go1.27-1.27.3-160000.1.1
    * go1.27-doc-1.27.3-160000.1.1

## 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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