SUSE SLED15 / SLES15 Security Update : go1.26-openssl (SUSE-SU-2026:2078-1)

medium Nessus Plugin ID 317661

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-2026:2078-1 advisory.

This update for go1.26-openssl fixes the following issues

Security issues:

- CVE-2026-33811: net: crash when handling long CNAME response (bsc#1264508).
- CVE-2026-33814: net/http: infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE (bsc#1264506).
- CVE-2026-39817: cmd/go: 'go tool pack' does not sanitize output paths (bsc#1264505).
- CVE-2026-39819: cmd/go: 'go bug' follows symlinks in predictable temporary filenames (bsc#1264504).
- CVE-2026-39820: net/mail: quadratic string concatentation in consumeComment (bsc#1264503).
- CVE-2026-39823: html/template: bypass of meta content URL escaping causes XSS (bsc#1264509).
- CVE-2026-39825: net/http/httputil: ReverseProxy forwards queries with more than urlmaxqueryparams parameters (bsc#1264500).
- CVE-2026-39826: html/template: escaper bypass leads to XSS (bsc#1264507).
- CVE-2026-39836: net: panic in Dial and LookupPort when handling NUL byte on Windows (bsc#1264501).
- CVE-2026-42499: net/mail: quadratic string concatenation in consumePhrase (bsc#1264502).
- CVE-2026-42501: cmd/go: malicious module proxy can bypass checksum database (bsc#1264499).

Non security issues:

- go1.26 release tracking (bsc#1255111).
- Go packages miss binutils-gold dependency (bsc#1170826).
- supply a go built with openssl linkage (jsc#SLE-18320).

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-openssl, go1.26-openssl-doc and / or go1.26-openssl-race packages.

Plugin Details

Severity: Medium

ID: 317661

File Name: suse_SU-2026-2078-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 5/29/2026

Updated: 5/29/2026

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2026-39817

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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

Vulnerability Information

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

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: 5/26/2026

Vulnerability Publication Date: 5/7/2026

Reference Information

CVE: CVE-2026-33811, CVE-2026-33814, CVE-2026-39817, CVE-2026-39819, CVE-2026-39820, CVE-2026-39823, CVE-2026-39825, CVE-2026-39826, CVE-2026-39836, CVE-2026-42499, CVE-2026-42501

SuSE: SUSE-SU-2026:2078-1

Detections

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