RLSA-2026:38995

Synopsis

Important: go-toolset:rhel8 security, bug fix, and enhancement update

Description

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

Security Fix(es):

* golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821)

* crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145)

* os: golang: Go os.Root: Symlink following vulnerability allows directory traversal (CVE-2026-39822)

Bug Fix(es) and Enhancement(s):

* Update Go to version 1.26.5+1 [rhel-8.10.z] (JIRA:Rocky Linux-193478)

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.

Affected products

Rocky Linux 8 aarch64 Rocky Linux 8 x86_64

Fixes

2480756 2484207 2498152

CVEs

CVE-2026-27145 CVE-2026-39821 CVE-2026-39822

Affected packages

Rocky Linux 8 aarch64 - AppStream

delve-0:1.26.1-1.module+el8.10.0+40244+e7cb3ff8.aarch64.rpm delve-0:1.26.1-1.module+el8.10.0+40244+e7cb3ff8.src.rpm delve-debuginfo-0:1.26.1-1.module+el8.10.0+40244+e7cb3ff8.aarch64.rpm delve-debugsource-0:1.26.1-1.module+el8.10.0+40244+e7cb3ff8.aarch64.rpm golang-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.aarch64.rpm golang-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.src.rpm golang-bin-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.aarch64.rpm golang-docs-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.noarch.rpm golang-misc-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.noarch.rpm golang-race-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.aarch64.rpm golang-src-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.noarch.rpm golang-tests-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.noarch.rpm go-toolset-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.aarch64.rpm

Rocky Linux 8 x86_64 - AppStream

delve-0:1.26.1-1.module+el8.10.0+40244+e7cb3ff8.src.rpm delve-0:1.26.1-1.module+el8.10.0+40244+e7cb3ff8.x86_64.rpm delve-debuginfo-0:1.26.1-1.module+el8.10.0+40244+e7cb3ff8.x86_64.rpm delve-debugsource-0:1.26.1-1.module+el8.10.0+40244+e7cb3ff8.x86_64.rpm golang-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.src.rpm golang-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.x86_64.rpm golang-bin-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.x86_64.rpm golang-docs-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.noarch.rpm golang-misc-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.noarch.rpm golang-race-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.x86_64.rpm golang-src-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.noarch.rpm golang-tests-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.noarch.rpm go-toolset-0:1.26.5-1.module+el8.10.0+40244+e7cb3ff8.x86_64.rpm