RHEL 9 : golang (RHSA-2026:47712)

critical Nessus Plugin ID 330848

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:47712 advisory.

The golang packages provide the Go programming language compiler.

Security Fix(es):

* crypto/tls: Unexpected session resumption in crypto/tls (CVE-2025-68121)

* crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation (CVE-2026-32281)

* golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root (CVE-2026-32282)

* crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283)

* crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280)

* golang: cmd/compile: no-op interface conversion bypasses overlap checking (CVE-2026-27144)

* golang: cmd/compile: possible memory corruption after bound check elimination (CVE-2026-27143)

Bug Fix(es) and Enhancement(s):

* Update Go to version 1.25.9+2 [rhel-9.4.z] (JIRA:RHEL-178854)

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 affected packages.

See Also

https://access.redhat.com/errata/RHSA-2026:47712

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

https://bugzilla.redhat.com/show_bug.cgi?id=2437111

https://bugzilla.redhat.com/show_bug.cgi?id=2456333

https://bugzilla.redhat.com/show_bug.cgi?id=2456336

https://bugzilla.redhat.com/show_bug.cgi?id=2456338

https://bugzilla.redhat.com/show_bug.cgi?id=2456339

https://bugzilla.redhat.com/show_bug.cgi?id=2456340

https://bugzilla.redhat.com/show_bug.cgi?id=2456342

https://issues.redhat.com/browse/RHEL-178854

http://www.nessus.org/u?55778c55

Plugin Details

Severity: Critical

ID: 330848

File Name: redhat-RHSA-2026-47712.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/30/2026

Updated: 7/30/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.11

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-27143

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 9

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

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

CVSS Score Source: CVE-2025-68121

Vulnerability Information

CPE: cpe:/o:redhat:rhel_e4s:9.4, p-cpe:/a:redhat:enterprise_linux:go-toolset, p-cpe:/a:redhat:enterprise_linux:golang-bin, p-cpe:/a:redhat:enterprise_linux:golang-docs, p-cpe:/a:redhat:enterprise_linux:golang-misc, p-cpe:/a:redhat:enterprise_linux:golang-src, p-cpe:/a:redhat:enterprise_linux:golang-tests, p-cpe:/a:redhat:enterprise_linux:golang

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/29/2026

Vulnerability Publication Date: 1/22/2026

Reference Information

CVE: CVE-2025-68121, CVE-2026-27143, CVE-2026-27144, CVE-2026-32280, CVE-2026-32281, CVE-2026-32282, CVE-2026-32283

CWE: 1050, 367, 440, 733, 764, 770

RHSA: 2026:47712