SUSE alert openSUSE-SU-2026:20994-1 (helm)

From:
             
 
null@suse.de
To:
             
 
security-announce@lists.opensuse.org
Subject:
             
 
openSUSE-SU-2026:20994-1: important: Security update for helm
Date:
             
 
Tue, 30 Jun 2026 09:47:50 +0200
Message-ID:
             
 
<20260630074750.1B8B0FF21@maintenance.suse.de>
Archive-link:
             
 
Article
openSUSE security update: security update for helm
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:20994-1
Rating: important
References:

  * bsc#1266598



Cross-References:

  * CVE-2026-39821



CVSS scores:

  * CVE-2026-39821 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
  * CVE-2026-39821 ( SUSE ): 9.1 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves one vulnerability and has one bug fix can now be installed.

Description:

This update for helm fixes the following issue

- CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels
allows for validation
  bypass and privilege escalation (bsc#1266598).

Changes for helm:

- Update to version 3.21.1:

 * Fixed nil pointer panic that could happen with helm template in
 ClientOnly flows. Now correctly returns a template error #31920
 * Bumped golang.org/x/net to v0.55.0 to address GO-2026-5026
 #32152
 * Bumped Go from 1.25 to 1.26 #32168
 * Dependency version updates
   - chore(deps): bump oras.land/oras-go/v2 from 2.6.0 to 2.6.1
   - chore(deps): bump golang.org/x/crypto from 0.52.0 to 0.53.0
   - chore(deps): bump golang.org/x/term from 0.43.0 to 0.44.0
   - chore(deps): bump golang.org/x/text from 0.37.0 to 0.38.0
   - chore(deps): bump github.com/lib/pq from 1.11.2 to 1.12.3
   - chore(deps): bump github.com/distribution/distribution/v3
   - chore(deps): bump github.com/containerd/containerd from
   1.7.30 to 1.7.32
   - chore(deps): bump github.com/Masterminds/semver/v3 from 3.4.0
   to 3.5.0
   - chore(deps): bump github.com/mattn/go-shellwords from 1.0.12
   to 1.0.13
   - chore(deps): bump golang.org/x/crypto from 0.51.0 to 0.52.0
   - chore(deps): bump k8s.io/klog/v2 from 2.130.1 to 2.140.0
   - chore(deps): bump golang.org/x/text from 0.35.0 to 0.37.0


Patch instructions:

   To install this openSUSE security update use the suse recommended installation methods
   like YaST online_update or "zypper patch".
   Alternatively you can run the command listed for your product:

- openSUSE Leap 16.0

   zypper in -t patch openSUSE-Leap-16.0-1006=1

Package List:

- openSUSE Leap 16.0:

  helm-3.21.1-160000.1.1
  helm-bash-completion-3.21.1-160000.1.2
  helm-fish-completion-3.21.1-160000.1.2
  helm-zsh-completion-3.21.1-160000.1.2

References:

  * https://www.suse.com/security/cve/CVE-2026-39821.html