RHSA-2026:16497HighCVSS 9.0

Red Hat Security Advisory: golang security update

Published
May 12, 2026
Last Modified
August 26, 2026

🔗 CVE IDs covered (1)

CVE-2026-27140 →

📋 Description

CVE-2026-27140 — cmd/go: golang: Go (golang) and cmd/go: Arbitrary Code Execution via malicious SWIG file names

🎯 Affected products18

  • Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • go-toolset-0:1.21.13-16.el9_4.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • go-toolset-0:1.21.13-16.el9_4.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • go-toolset-0:1.21.13-16.el9_4.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • go-toolset-0:1.21.13-16.el9_4.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • golang-0:1.21.13-16.el9_4.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • golang-0:1.21.13-16.el9_4.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • golang-0:1.21.13-16.el9_4.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • golang-0:1.21.13-16.el9_4.src as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • golang-0:1.21.13-16.el9_4.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • golang-bin-0:1.21.13-16.el9_4.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • golang-bin-0:1.21.13-16.el9_4.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • golang-bin-0:1.21.13-16.el9_4.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • golang-bin-0:1.21.13-16.el9_4.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • golang-docs-0:1.21.13-16.el9_4.noarch as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • golang-misc-0:1.21.13-16.el9_4.noarch as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • golang-src-0:1.21.13-16.el9_4.noarch as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)
  • golang-tests-0:1.21.13-16.el9_4.noarch as a component of Red Hat Enterprise Linux AppStream EUS (v.9.4)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

🔗 References (4)