RHEL 8 : go-toolset:rhel8 (RHSA-2026:6949)

high Nessus Plugin ID 305274

Synopsis

The remote Red Hat host is missing one or more security updates for go-toolset:rhel8.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:6949 advisory.

Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang.

Security Fix(es):

* cmd/go: cmd/go: Arbitrary file write via malicious pkg-config directive (CVE-2025-61731)

* net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 RHEL go-toolset:rhel8 package based on the guidance in RHSA-2026:6949.

See Also

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2434433

https://bugzilla.redhat.com/show_bug.cgi?id=2445356

http://www.nessus.org/u?dac1d397

https://access.redhat.com/errata/RHSA-2026:6949

Plugin Details

Severity: High

ID: 305274

File Name: redhat-RHSA-2026-6949.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/8/2026

Updated: 4/8/2026

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: 5.9

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2025-61731

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:golang-race, p-cpe:/a:redhat:enterprise_linux:golang-docs, p-cpe:/a:redhat:enterprise_linux:golang-src, p-cpe:/a:redhat:enterprise_linux:delve, cpe:/o:redhat:rhel_eus:8.10, p-cpe:/a:redhat:enterprise_linux:golang-tests, p-cpe:/a:redhat:enterprise_linux:go-toolset, p-cpe:/a:redhat:enterprise_linux:golang, p-cpe:/a:redhat:enterprise_linux:golang-bin, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:golang-misc

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/8/2026

Vulnerability Publication Date: 1/22/2026

Reference Information

CVE: CVE-2025-61731, CVE-2026-25679

CWE: 1286, 88

RHSA: 2026:6949