SUSE-SU-2026:2817-1: important: Security update for go1.25

SLE-UPDATES null at suse.de
Fri Jul 10 08:34:48 UTC 2026 

# Security update for go1.25

Announcement ID: SUSE-SU-2026:2817-1  
Release Date: 2026-07-09T17:08:22Z  
Rating: important  
References:

  * bsc#1244485
  * bsc#1245878
  * bsc#1259264
  * bsc#1259265
  * bsc#1259268
  * bsc#1264394
  * bsc#1271014
  * bsc#1271015
  * jsc#PED-1962

  
Cross-References:

  * CVE-2026-25679
  * CVE-2026-27139
  * CVE-2026-27142
  * CVE-2026-39822
  * CVE-2026-42505

  
CVSS scores:

  * CVE-2026-25679 ( SUSE ):  4.6
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-25679 ( SUSE ):  3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
  * CVE-2026-25679 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-25679 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-27139 ( SUSE ):  4.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-27139 ( SUSE ):  3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-27139 ( NVD ):  2.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-27142 ( SUSE ):  5.1
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-27142 ( SUSE ):  5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
  * CVE-2026-27142 ( NVD ):  6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  * CVE-2026-39822 ( SUSE ):  7.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
  * CVE-2026-39822 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-42505 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-42505 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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 five vulnerabilities, contains one feature and has three
security fixes can now be installed.

## Description:

This update for go1.25 fixes the following issues

  * Update to version go1.25.12 (bsc#1244485).
  * CVE-2026-25679: net/url: reject IPv6 literal not at start of host
    (bsc#1259264).
  * CVE-2026-27139: os: FileInfo can escape from a Root (bsc#1259268).
  * CVE-2026-27142: html/template: URLs in meta content attribute actions are
    not escaped (bsc#1259265).
  * CVE-2026-39822: os: Root escape via symlink plus trailing slash
    (bsc#1271014).
  * CVE-2026-42505: crypto/tls: omit PSK in ECH outer client hello
    (bsc#1271015).

## 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-SP4-2026-2817=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2817=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2817=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-2817=1

  * Development Tools Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP7-2026-2817=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2817=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2817=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-2817=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-2817=1

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2817=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2817=1

## Package List:

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * go1.25-1.25.12-150000.1.44.1
    * go1.25-race-1.25.12-150000.1.44.1
    * go1.25-doc-1.25.12-150000.1.44.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * go1.25-1.25.12-150000.1.44.1
    * go1.25-race-1.25.12-150000.1.44.1
    * go1.25-doc-1.25.12-150000.1.44.1
  * Development Tools Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * go1.25-1.25.12-150000.1.44.1
    * go1.25-race-1.25.12-150000.1.44.1
    * go1.25-doc-1.25.12-150000.1.44.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * go1.25-1.25.12-150000.1.44.1
    * go1.25-race-1.25.12-150000.1.44.1
    * go1.25-doc-1.25.12-150000.1.44.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * go1.25-1.25.12-150000.1.44.1
    * go1.25-race-1.25.12-150000.1.44.1
    * go1.25-doc-1.25.12-150000.1.44.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * go1.25-1.25.12-150000.1.44.1
    * go1.25-race-1.25.12-150000.1.44.1
    * go1.25-doc-1.25.12-150000.1.44.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * go1.25-1.25.12-150000.1.44.1
    * go1.25-race-1.25.12-150000.1.44.1
    * go1.25-doc-1.25.12-150000.1.44.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * go1.25-1.25.12-150000.1.44.1
    * go1.25-race-1.25.12-150000.1.44.1
    * go1.25-doc-1.25.12-150000.1.44.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * go1.25-1.25.12-150000.1.44.1
    * go1.25-race-1.25.12-150000.1.44.1
    * go1.25-doc-1.25.12-150000.1.44.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * go1.25-1.25.12-150000.1.44.1
    * go1.25-race-1.25.12-150000.1.44.1
    * go1.25-doc-1.25.12-150000.1.44.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * go1.25-1.25.12-150000.1.44.1
    * go1.25-race-1.25.12-150000.1.44.1
    * go1.25-doc-1.25.12-150000.1.44.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-25679.html
  * https://www.suse.com/security/cve/CVE-2026-27139.html
  * https://www.suse.com/security/cve/CVE-2026-27142.html
  * https://www.suse.com/security/cve/CVE-2026-39822.html
  * https://www.suse.com/security/cve/CVE-2026-42505.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1244485
  * https://bugzilla.suse.com/show_bug.cgi?id=1245878
  * https://bugzilla.suse.com/show_bug.cgi?id=1259264
  * https://bugzilla.suse.com/show_bug.cgi?id=1259265
  * https://bugzilla.suse.com/show_bug.cgi?id=1259268
  * https://bugzilla.suse.com/show_bug.cgi?id=1264394
  * https://bugzilla.suse.com/show_bug.cgi?id=1271014
  * https://bugzilla.suse.com/show_bug.cgi?id=1271015
  * https://jira.suse.com/browse/PED-1962

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