Red Hat Security Advisory

RHSA-2026:16497

golang security update

Released 2026-05-12 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat Enterprise Linux AppStream EUS (v.9.4) go-toolset-1.21.13-16.el9_4, golang-1.21.13-16.el9_4, golang-bin-1.21.13-16.el9_4 +4

Fixes 1 record

TI-2026-21590 CVE-2026-27140 · GHSA-5w89-2c2x-6x66

Code execution vulnerability in SWIG code generation in cmd/go

MEDIUM 41

SWIG file names containing 'cgo' and well-crafted payloads could lead to code smuggling and arbitrary code execution at build time due to trust layer bypass.

CVSS 3.1HIGH 8.8 Network No auth User interaction EPSS 0.0067 Published 2026-04-08 Partial fix · 1.25.9, 1.26.2 CWE-863