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SUSE SLED15 / SLES15 Security Update : go1.26 (SUSE-SU-2026:2327-1)

medium Nessus Plugin ID 321018

Synopsis

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

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2327-1 advisory.

 This update for go1.26 fixes the following issues

 Update to go1.26.4 (bsc#1255111):

 - CVE-2026-27145: crypto/x509: split candidate hostname only once (bsc#1267450).
 - CVE-2026-42504: mime: quadratic complexity in WordDecoder.DecodeHeader (bsc#1267442).
 - CVE-2026-42507: net/textproto: arbitrary input are included in errors without any escaping (bsc#1267444).

 Changes:

 * go#79230 go#79217 boo#1267442 security: fix CVE-2026-42504 mime: quadratic complexity in WordDecoder.DecodeHeader
 * go#79426 go#79346 boo#1267444 security: fix CVE-2026-42507 net/textproto: arbitrary input are included in errors without any escaping
 * go#79701 go#79694 boo#1267450 security: fix CVE-2026-27145 crypto/x509: split candidate hostname only once
 * go#79191 cmd/compile: Bug in rewrite rules for AMD64 causes SHL instruction overflow and miscompilation
 * go#79226 crypto/internal/fips140/drbg: backport CL 774221 to Go 1.26
 * go#79349 cmd/fix: x/tools/go/analysis/passes/modernize: slicescontains hoists needle expression, changing side effect count
 * go#79686 runtime/race: change in 93a4f03 leads to a failed build on Amazon Linux 2 and arm64

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/1267442

https://bugzilla.suse.com/1267444

https://bugzilla.suse.com/1267450

https://lists.suse.com/pipermail/sle-updates/2026-June/047214.html

https://www.suse.com/security/cve/CVE-2026-27145

https://www.suse.com/security/cve/CVE-2026-42504

https://www.suse.com/security/cve/CVE-2026-42507

Plugin Details

Severity: Medium

ID: 321018

File Name: suse_SU-2026-2327-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/14/2026

Updated: 6/14/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.0

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

CVSS Score Source: CVE-2026-27145

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

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: 6/9/2026

Vulnerability Publication Date: 6/2/2026

Reference Information

CVE: CVE-2026-27145, CVE-2026-42504, CVE-2026-42507

SuSE: SUSE-SU-2026:2327-1