AlmaLinux alert ALSA-2026:38995 (go-toolset:rhel8)

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[Announce] [Security Advisory] ALSA-2026:38995: go-toolset:rhel8 security, bug fix, and enhancement update (Important)
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Tue, 14 Jul 2026 15:07:22 +0000
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<0100019f612b1bd9-3bcb1478-04a2-4760-bf7f-d90bde00a6a6-000000@email.amazonses.com>
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Article
Hi,

You are receiving an AlmaLinux Security update email because you subscribed to receive errata
notifications from AlmaLinux.

AlmaLinux: 8
Type: Security
Severity: Important
Release date: 2026-07-14

Summary:

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 [almalinux-8.10.z] (JIRA:AlmaLinux-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.


Full details, updated packages, references, and other related information:
https://errata.almalinux.org/8/ALSA-2026-38995.html

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AlmaLinux Team
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