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openSUSE 15.6 go1.26 Moderate Security Risks Fix 2026-0876-1

opensuse
Calendar Grey March 12, 2026
Dist Opensuse Esm H88
Update for go1.26 fixes five vulnerabilities, improving security and system stability for openSUSE users.
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:...

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Topics%20covered

Topics Covered

security advisory moderate security issue DoS development tools OpenSUSE

Patch

## 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...

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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

*...

Read the Full Advisory

References

* bsc#1255111

* bsc#1259264

* bsc#1259265

* bsc#1259266

* bsc#1259267

* bsc#1259268

## 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

Announcement ID: SUSE-SU-2026:0876-1
Release Date: 2026-03-11T18:35:52Z
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

Topics%20covered

Topics Covered

security advisory moderate security issue DoS development tools OpenSUSE

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