Security update for go1.26

Announcement ID:	SUSE-SU-2026:1320-1
Release Date:	2026-04-14T12:39:44Z
Rating:	important
References:	bsc#1255111 bsc#1261653 bsc#1261654 bsc#1261655 bsc#1261656 bsc#1261657 bsc#1261658 bsc#1261659 bsc#1261660 bsc#1261661 bsc#1261662
Cross-References:	CVE-2026-27140 CVE-2026-27143 CVE-2026-27144 CVE-2026-32280 CVE-2026-32281 CVE-2026-32282 CVE-2026-32283 CVE-2026-32288 CVE-2026-32289 CVE-2026-33810
CVSS scores:	CVE-2026-27140 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2026-27140 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2026-27143 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N CVE-2026-27143 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2026-27144 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N CVE-2026-27144 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H CVE-2026-32280 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-32280 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-32281 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-32281 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-32282 ( SUSE ): 6.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N CVE-2026-32282 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2026-32283 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-32283 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-32288 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L CVE-2026-32288 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2026-32289 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N CVE-2026-32289 ( NVD ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVE-2026-33810 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N CVE-2026-33810 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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 10 vulnerabilities and has one security fix can now be installed.

Description:

This update for go1.26 fixes the following issues:

• Update to go1.26.2 (bsc#1255111).
• CVE-2026-27140: cmd/go: trust layer bypass when using cgo and SWIG (bsc#1261653).
• CVE-2026-27143: cmd/compile: possible memory corruption after bound check elimination (bsc#1261654).
• CVE-2026-27144: cmd/compile: no-op interface conversion bypasses overlap checking (bsc#1261655).
• CVE-2026-32280: crypto/x509: unexpected work during chain building (bsc#1261656).
• CVE-2026-32281: crypto/x509: inefficient policy validation (bsc#1261657).
• CVE-2026-32282: os: Root.Chmod can follow symlinks out of the root on Linux (bsc#1261658).
• CVE-2026-32283: crypto/tls: multiple key update handshake messages can cause connection to deadlock (bsc#1261659).
• CVE-2026-32288: archive/tar: unbounded allocation when parsing old format GNU sparse map (bsc#1261660).
• CVE-2026-32289: html/template: JS template literal context incorrectly tracked (bsc#1261661).
• CVE-2026-33810: crypto/x509: excluded DNS constraints not properly applied to wildcard domains (bsc#1261662).

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:

• Development Tools Module 15-SP7
  zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP7-2026-1320=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1320=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1320=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1320=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1320=1
• SUSE Linux Enterprise Server 15 SP4 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1320=1
• SUSE Linux Enterprise Server 15 SP5 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1320=1
• SUSE Linux Enterprise Server 15 SP6 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-1320=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-1320=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1320=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-1320=1

Package List:

• Development Tools Module 15-SP7 (aarch64 ppc64le s390x x86_64)
  • go1.26-race-1.26.2-150000.1.9.1
  • go1.26-1.26.2-150000.1.9.1
  • go1.26-doc-1.26.2-150000.1.9.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
  • go1.26-race-1.26.2-150000.1.9.1
  • go1.26-1.26.2-150000.1.9.1
  • go1.26-doc-1.26.2-150000.1.9.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
  • go1.26-race-1.26.2-150000.1.9.1
  • go1.26-1.26.2-150000.1.9.1
  • go1.26-doc-1.26.2-150000.1.9.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
  • go1.26-race-1.26.2-150000.1.9.1
  • go1.26-1.26.2-150000.1.9.1
  • go1.26-doc-1.26.2-150000.1.9.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
  • go1.26-race-1.26.2-150000.1.9.1
  • go1.26-1.26.2-150000.1.9.1
  • go1.26-doc-1.26.2-150000.1.9.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
  • go1.26-race-1.26.2-150000.1.9.1
  • go1.26-1.26.2-150000.1.9.1
  • go1.26-doc-1.26.2-150000.1.9.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
  • go1.26-race-1.26.2-150000.1.9.1
  • go1.26-1.26.2-150000.1.9.1
  • go1.26-doc-1.26.2-150000.1.9.1
• SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
  • go1.26-race-1.26.2-150000.1.9.1
  • go1.26-1.26.2-150000.1.9.1
  • go1.26-doc-1.26.2-150000.1.9.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
  • go1.26-race-1.26.2-150000.1.9.1
  • go1.26-1.26.2-150000.1.9.1
  • go1.26-doc-1.26.2-150000.1.9.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
  • go1.26-race-1.26.2-150000.1.9.1
  • go1.26-1.26.2-150000.1.9.1
  • go1.26-doc-1.26.2-150000.1.9.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
  • go1.26-race-1.26.2-150000.1.9.1
  • go1.26-1.26.2-150000.1.9.1
  • go1.26-doc-1.26.2-150000.1.9.1

References:

• https://www.suse.com/security/cve/CVE-2026-27140.html
• https://www.suse.com/security/cve/CVE-2026-27143.html
• https://www.suse.com/security/cve/CVE-2026-27144.html
• https://www.suse.com/security/cve/CVE-2026-32280.html
• https://www.suse.com/security/cve/CVE-2026-32281.html
• https://www.suse.com/security/cve/CVE-2026-32282.html
• https://www.suse.com/security/cve/CVE-2026-32283.html
• https://www.suse.com/security/cve/CVE-2026-32288.html
• https://www.suse.com/security/cve/CVE-2026-32289.html
• https://www.suse.com/security/cve/CVE-2026-33810.html
• https://bugzilla.suse.com/show_bug.cgi?id=1255111
• https://bugzilla.suse.com/show_bug.cgi?id=1261653
• https://bugzilla.suse.com/show_bug.cgi?id=1261654
• https://bugzilla.suse.com/show_bug.cgi?id=1261655
• https://bugzilla.suse.com/show_bug.cgi?id=1261656
• https://bugzilla.suse.com/show_bug.cgi?id=1261657
• https://bugzilla.suse.com/show_bug.cgi?id=1261658
• https://bugzilla.suse.com/show_bug.cgi?id=1261659
• https://bugzilla.suse.com/show_bug.cgi?id=1261660
• https://bugzilla.suse.com/show_bug.cgi?id=1261661
• https://bugzilla.suse.com/show_bug.cgi?id=1261662