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