Security update for go1.25

Announcement ID:	SUSE-SU-2026:0218-1
Release Date:	2026-01-22T12:13:12Z
Rating:	important
References:	bsc#1244485 bsc#1256816 bsc#1256817 bsc#1256818 bsc#1256819 bsc#1256820 bsc#1256821
Cross-References:	CVE-2025-61726 CVE-2025-61728 CVE-2025-61730 CVE-2025-61731 CVE-2025-68119 CVE-2025-68121
CVSS scores:	CVE-2025-61726 ( SUSE ): 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVE-2025-61726 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2025-61728 ( SUSE ): 6.7 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVE-2025-61728 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2025-61730 ( SUSE ): 2.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVE-2025-61730 ( SUSE ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N CVE-2025-61731 ( SUSE ): 7.1 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2025-61731 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2025-68119 ( SUSE ): 7.1 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2025-68119 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2025-68121 ( SUSE ): 7.6 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N CVE-2025-68121 ( 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 openSUSE Leap 15.6 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 six vulnerabilities and has one security fix can now be installed.

Description:

This update for go1.25 fixes the following issues:

Update to go1.25.6 (released 2026-01-15) (bsc#1244485)

Security fixes:

• CVE-2025-61730: crypto/tls: handshake messages may be processed at the incorrect encryption level (bsc#1256821).
• CVE-2025-68119: cmd/go: unexpected code execution when invoking toolchain (bsc#1256820).
• CVE-2025-61731: cmd/go: bypass of flag sanitization can lead to arbitrary code execution (bsc#1256819).
• CVE-2025-61726: net/http: memory exhaustion in Request.ParseForm (bsc#1256817).
• CVE-2025-61728: archive/zip: denial of service when parsing arbitrary ZIP archives (bsc#1256816).
• CVE-2025-68121: crypto/tls: Config.Clone copies automatically generated session ticket keys, session resumption does not account for the expiration of full certificate chain (bsc#1256818).

Other fixes:

• go#76392 os: package initialization hangs is Stdin is blocked
• go#76409 crypto/tls: earlyTrafficSecret should use ClientHelloInner if ECH enabled
• go#76620 os: on Unix, Readdirnames skips directory entries with zero inodes
• go#76761 runtime: stack split at bad time in os/signal with Go 1.25.4 windows 386
• go#76776 runtime: race detector crash on ppc64le
• go#76967 cmd/compile/internal/ssa: Compile.func1(): panic during sccp while compiling <function>: runtime error: index out of range
• go#76973 errors: errors.Join behavior changed in 1.25

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:

• openSUSE Leap 15.6
  zypper in -t patch openSUSE-SLE-15.6-2026-218=1
• Development Tools Module 15-SP7
  zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP7-2026-218=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-218=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-218=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-218=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-218=1
• SUSE Linux Enterprise Server 15 SP4 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-218=1
• SUSE Linux Enterprise Server 15 SP5 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-218=1
• SUSE Linux Enterprise Server 15 SP6 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-218=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-218=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-218=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-218=1

Package List:

• openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
  • go1.25-1.25.6-150000.1.26.1
  • go1.25-race-1.25.6-150000.1.26.1
  • go1.25-doc-1.25.6-150000.1.26.1
• Development Tools Module 15-SP7 (aarch64 ppc64le s390x x86_64)
  • go1.25-1.25.6-150000.1.26.1
  • go1.25-race-1.25.6-150000.1.26.1
  • go1.25-doc-1.25.6-150000.1.26.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
  • go1.25-1.25.6-150000.1.26.1
  • go1.25-race-1.25.6-150000.1.26.1
  • go1.25-doc-1.25.6-150000.1.26.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
  • go1.25-1.25.6-150000.1.26.1
  • go1.25-race-1.25.6-150000.1.26.1
  • go1.25-doc-1.25.6-150000.1.26.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
  • go1.25-1.25.6-150000.1.26.1
  • go1.25-race-1.25.6-150000.1.26.1
  • go1.25-doc-1.25.6-150000.1.26.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
  • go1.25-1.25.6-150000.1.26.1
  • go1.25-race-1.25.6-150000.1.26.1
  • go1.25-doc-1.25.6-150000.1.26.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
  • go1.25-1.25.6-150000.1.26.1
  • go1.25-race-1.25.6-150000.1.26.1
  • go1.25-doc-1.25.6-150000.1.26.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
  • go1.25-1.25.6-150000.1.26.1
  • go1.25-race-1.25.6-150000.1.26.1
  • go1.25-doc-1.25.6-150000.1.26.1
• SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
  • go1.25-1.25.6-150000.1.26.1
  • go1.25-race-1.25.6-150000.1.26.1
  • go1.25-doc-1.25.6-150000.1.26.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
  • go1.25-1.25.6-150000.1.26.1
  • go1.25-race-1.25.6-150000.1.26.1
  • go1.25-doc-1.25.6-150000.1.26.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
  • go1.25-1.25.6-150000.1.26.1
  • go1.25-race-1.25.6-150000.1.26.1
  • go1.25-doc-1.25.6-150000.1.26.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
  • go1.25-1.25.6-150000.1.26.1
  • go1.25-race-1.25.6-150000.1.26.1
  • go1.25-doc-1.25.6-150000.1.26.1

References:

• https://www.suse.com/security/cve/CVE-2025-61726.html
• https://www.suse.com/security/cve/CVE-2025-61728.html
• https://www.suse.com/security/cve/CVE-2025-61730.html
• https://www.suse.com/security/cve/CVE-2025-61731.html
• https://www.suse.com/security/cve/CVE-2025-68119.html
• https://www.suse.com/security/cve/CVE-2025-68121.html
• https://bugzilla.suse.com/show_bug.cgi?id=1244485
• https://bugzilla.suse.com/show_bug.cgi?id=1256816
• https://bugzilla.suse.com/show_bug.cgi?id=1256817
• https://bugzilla.suse.com/show_bug.cgi?id=1256818
• https://bugzilla.suse.com/show_bug.cgi?id=1256819
• https://bugzilla.suse.com/show_bug.cgi?id=1256820
• https://bugzilla.suse.com/show_bug.cgi?id=1256821