SUSE-SU-2026:0876-1: moderate: Security update for go1.26
SLE-SECURITY-UPDATES
null at suse.de
Thu Mar 12 08:30:13 UTC 2026
# Security update for go1.26
Announcement ID: SUSE-SU-2026:0876-1
Release Date: 2026-03-11T18:35:52Z
Rating: moderate
References:
* bsc#1255111
* bsc#1259264
* bsc#1259265
* bsc#1259266
* bsc#1259267
* bsc#1259268
Cross-References:
* CVE-2026-25679
* CVE-2026-27137
* CVE-2026-27138
* CVE-2026-27139
* CVE-2026-27142
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-2026-27137 ( SUSE ): 6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
* CVE-2026-27137 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
* CVE-2026-27137 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-27138 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-27138 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-27138 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/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 ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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 five vulnerabilities and has one security fix can now be
installed.
## Description:
This update for go1.26 fixes the following issues:
Update to go1.26.1 (bsc#1255111):
* CVE-2026-25679: net/url: reject IPv6 literal not at start of host
(bsc#1259264).
* CVE-2026-27137: crypto/x509: incorrect enforcement of email constraints
(bsc#1259266).
* CVE-2026-27138: crypto/x509: panic in name constraint checking for malformed
certificates (bsc#1259267).
* 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).
Changelog:
* go#77252 cmd/compile: miscompile of global array initialization
* go#77407 os: Go 1.25.x regression on RemoveAll for windows
* go#77474 cmd/go: CGO compilation fails after upgrading from Go 1.25.5 to
1.25.6 due to --define-variable flag in pkg-config
* go#77529 cmd/fix, x/tools/go/analysis/passes/modernize: stringscut: OOB
panic in indexArgValid analyzing "buf.Bytes()" call
* go#77532 net/smtp: expiry date of localhostCert for testing is too short
* go#77536 cmd/compile: internal compiler error: 'main.func1': not lowered:
v15, Load STRUCT PTR SSA
* go#77618 strings: HasSuffix doesn't work correctly for multibyte runes in go
1.26
* go#77623 cmd/compile: internal compiler error on : "tried to free an already
free register" with generic function and type >= 192 bytes
* go#77624 cmd/fix, x/tools/go/analysis/passes/modernize: stringsbuilder
breaks code when combining two strings.Builders
* go#77680 cmd/link: TestFlagW/-w_-linkmode=external fails on illumos
* go#77766 cmd/fix,x/tools/go/analysis/passes/modernize: rangeint uses target
platform's type in the range expression, breaking other platforms
* go#77780 reflect: breaking change for reflect.Value.Interface behaviour
* go#77786 cmd/compile: rewriteFixedLoad does not properly sign extend AuxInt
* go#77803 cmd/fix,x/tools/go/analysis/passes/modernize: reflect.TypeOf(nil)
transformed into reflect.TypeForuntyped nil
* go#77804 cmd/fix,x/tools/go/analysis/passes/modernize: minmax breaks select
statements
* go#77805 cmd/fix, x/tools/go/analysis/passes/modernize: waitgroup leads to a
compilation error
* go#77807 cmd/fix,x/tools/go/analysis/passes/modernize: stringsbuilder
ignores variables if they are used multiple times
* go#77849 cmd/fix,x/tools/go/analysis/passes/modernize: stringscut rewrite
changes behavior
* go#77860 cmd/go: change go mod init default go directive back to 1.N
* go#77899 cmd/fix, x/tools/go/analysis/passes/modernize: bad rangeint
rewriting
* go#77904 x/tools/go/analysis/passes/modernize: stringsbuilder breaks code
when GenDecl is a block declaration
## 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-SP7-2026-876=1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-876=1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-876=1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-876=1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-876=1
* SUSE Linux Enterprise Server 15 SP4 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-876=1
* SUSE Linux Enterprise Server 15 SP5 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-876=1
* SUSE Linux Enterprise Server 15 SP6 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-876=1
* SUSE Linux Enterprise Server for SAP Applications 15 SP4
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-876=1
* SUSE Linux Enterprise Server for SAP Applications 15 SP5
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-876=1
* SUSE Linux Enterprise Server for SAP Applications 15 SP6
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-876=1
* openSUSE Leap 15.6
zypper in -t patch openSUSE-SLE-15.6-2026-876=1
## Package List:
* Development Tools Module 15-SP7 (aarch64 ppc64le s390x x86_64)
* go1.26-race-1.26.1-150000.1.6.1
* go1.26-doc-1.26.1-150000.1.6.1
* go1.26-1.26.1-150000.1.6.1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
x86_64)
* go1.26-race-1.26.1-150000.1.6.1
* go1.26-doc-1.26.1-150000.1.6.1
* go1.26-1.26.1-150000.1.6.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
x86_64)
* go1.26-race-1.26.1-150000.1.6.1
* go1.26-doc-1.26.1-150000.1.6.1
* go1.26-1.26.1-150000.1.6.1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
x86_64)
* go1.26-race-1.26.1-150000.1.6.1
* go1.26-doc-1.26.1-150000.1.6.1
* go1.26-1.26.1-150000.1.6.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
x86_64)
* go1.26-race-1.26.1-150000.1.6.1
* go1.26-doc-1.26.1-150000.1.6.1
* go1.26-1.26.1-150000.1.6.1
* SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
* go1.26-race-1.26.1-150000.1.6.1
* go1.26-doc-1.26.1-150000.1.6.1
* go1.26-1.26.1-150000.1.6.1
* SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
* go1.26-race-1.26.1-150000.1.6.1
* go1.26-doc-1.26.1-150000.1.6.1
* go1.26-1.26.1-150000.1.6.1
* SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
* go1.26-race-1.26.1-150000.1.6.1
* go1.26-doc-1.26.1-150000.1.6.1
* go1.26-1.26.1-150000.1.6.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
* go1.26-race-1.26.1-150000.1.6.1
* go1.26-doc-1.26.1-150000.1.6.1
* go1.26-1.26.1-150000.1.6.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
* go1.26-race-1.26.1-150000.1.6.1
* go1.26-doc-1.26.1-150000.1.6.1
* go1.26-1.26.1-150000.1.6.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
* go1.26-race-1.26.1-150000.1.6.1
* go1.26-doc-1.26.1-150000.1.6.1
* go1.26-1.26.1-150000.1.6.1
* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
* go1.26-race-1.26.1-150000.1.6.1
* go1.26-doc-1.26.1-150000.1.6.1
* go1.26-1.26.1-150000.1.6.1
## References:
* https://www.suse.com/security/cve/CVE-2026-25679.html
* https://www.suse.com/security/cve/CVE-2026-27137.html
* https://www.suse.com/security/cve/CVE-2026-27138.html
* https://www.suse.com/security/cve/CVE-2026-27139.html
* https://www.suse.com/security/cve/CVE-2026-27142.html
* https://bugzilla.suse.com/show_bug.cgi?id=1255111
* 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=1259266
* https://bugzilla.suse.com/show_bug.cgi?id=1259267
* https://bugzilla.suse.com/show_bug.cgi?id=1259268
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