SUSE SLED15 / SLES15 / openSUSE 15 Security Update : go1.26 (SUSE-SU-2026:0876-1)

low Nessus Plugin ID 302111

Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0876-1 advisory.

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.TypeFor[untyped 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

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected go1.26, go1.26-doc and / or go1.26-race packages.

See Also

https://bugzilla.suse.com/1255111

https://bugzilla.suse.com/1259264

https://bugzilla.suse.com/1259265

https://bugzilla.suse.com/1259266

https://bugzilla.suse.com/1259267

https://bugzilla.suse.com/1259268

http://www.nessus.org/u?1269b25d

https://www.suse.com/security/cve/CVE-2026-25679

https://www.suse.com/security/cve/CVE-2026-27137

https://www.suse.com/security/cve/CVE-2026-27138

https://www.suse.com/security/cve/CVE-2026-27139

https://www.suse.com/security/cve/CVE-2026-27142

Plugin Details

Severity: Low

ID: 302111

File Name: suse_SU-2026-0876-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/13/2026

Updated: 3/13/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2026-27142

CVSS v3

Risk Factor: Low

Base Score: 2.5

Temporal Score: 2.2

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2026-27139

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:go1.26-doc, p-cpe:/a:novell:suse_linux:go1.26-race, p-cpe:/a:novell:suse_linux:go1.26

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 3/11/2026

Vulnerability Publication Date: 3/5/2026

Reference Information

CVE: CVE-2026-25679, CVE-2026-27137, CVE-2026-27138, CVE-2026-27139, CVE-2026-27142

SuSE: SUSE-SU-2026:0876-1