Security update for helm

Announcement ID:	SUSE-SU-2026:2823-1
Release Date:	2026-07-09T18:14:15Z
Rating:	important
References:	bsc#1266598 bsc#1270127
Cross-References:	CVE-2026-39821 CVE-2026-48978
CVSS scores:	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 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 ( NVD ): 9.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N CVE-2026-39821 ( NVD ): 8.2 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N CVE-2026-48978 ( SUSE ): 2.1 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVE-2026-48978 ( SUSE ): 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
Affected Products:	Containers Module 15-SP7 SUSE Linux Enterprise Desktop 15 SP7 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise High Performance Computing 15 SP5 SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 SUSE Linux Enterprise Micro 5.5 SUSE Linux Enterprise Real Time 15 SP7 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server 15 SP4 LTSS SUSE Linux Enterprise Server 15 SP5 SUSE Linux Enterprise Server 15 SP5 LTSS SUSE Linux Enterprise Server 15 SP6 SUSE Linux Enterprise Server 15 SP6 LTSS SUSE Linux Enterprise Server 15 SP7 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP6 SUSE Linux Enterprise Server for SAP Applications 15 SP7 SUSE Package Hub 15 15-SP7

An update that solves two vulnerabilities can now be installed.

Description:

This update for helm fixes the following issues

• Update to version 3.21.2.
• 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).
• CVE-2026-48978: oras.land/oras-go/v2/registry/remote/auth: malicious registry can hijack Bearer token realm to exfiltrate credentials and refresh tokens (bsc#1270127).

Patch Instructions:

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

• SUSE Linux Enterprise Server 15 SP6 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2823=1
• SUSE Package Hub 15 15-SP7
  zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-2823=1
• SUSE Linux Enterprise Server 15 SP5 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2823=1
• SUSE Linux Enterprise Server 15 SP4 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2823=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2823=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-2823=1
• Containers Module 15-SP7
  zypper in -t patch SUSE-SLE-Module-Containers-15-SP7-2026-2823=1
• SUSE Linux Enterprise Micro 5.5
  zypper in -t patch SUSE-SLE-Micro-5.5-2026-2823=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2823=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2823=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2823=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-2823=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-2823=1

Package List:

• SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
  • helm-zsh-completion-3.21.2-150000.1.80.1
  • helm-bash-completion-3.21.2-150000.1.80.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
  • helm-3.21.2-150000.1.80.1
  • helm-debuginfo-3.21.2-150000.1.80.1
• Containers Module 15-SP7 (noarch)
  • helm-zsh-completion-3.21.2-150000.1.80.1
  • helm-bash-completion-3.21.2-150000.1.80.1
• Containers Module 15-SP7 (aarch64 ppc64le s390x x86_64)
  • helm-3.21.2-150000.1.80.1
  • helm-debuginfo-3.21.2-150000.1.80.1
• SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
  • helm-3.21.2-150000.1.80.1
  • helm-debuginfo-3.21.2-150000.1.80.1
• SUSE Linux Enterprise Micro 5.5 (noarch)
  • helm-bash-completion-3.21.2-150000.1.80.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)
  • helm-zsh-completion-3.21.2-150000.1.80.1
  • helm-bash-completion-3.21.2-150000.1.80.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
  • helm-3.21.2-150000.1.80.1
  • helm-debuginfo-3.21.2-150000.1.80.1
• SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
  • helm-3.21.2-150000.1.80.1
  • helm-debuginfo-3.21.2-150000.1.80.1
• SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
  • helm-zsh-completion-3.21.2-150000.1.80.1
  • helm-bash-completion-3.21.2-150000.1.80.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)
  • helm-zsh-completion-3.21.2-150000.1.80.1
  • helm-bash-completion-3.21.2-150000.1.80.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
  • helm-3.21.2-150000.1.80.1
  • helm-debuginfo-3.21.2-150000.1.80.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
  • helm-3.21.2-150000.1.80.1
  • helm-debuginfo-3.21.2-150000.1.80.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch)
  • helm-zsh-completion-3.21.2-150000.1.80.1
  • helm-bash-completion-3.21.2-150000.1.80.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (noarch)
  • helm-zsh-completion-3.21.2-150000.1.80.1
  • helm-bash-completion-3.21.2-150000.1.80.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
  • helm-3.21.2-150000.1.80.1
  • helm-debuginfo-3.21.2-150000.1.80.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
  • helm-3.21.2-150000.1.80.1
  • helm-debuginfo-3.21.2-150000.1.80.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (noarch)
  • helm-zsh-completion-3.21.2-150000.1.80.1
  • helm-bash-completion-3.21.2-150000.1.80.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
  • helm-3.21.2-150000.1.80.1
  • helm-debuginfo-3.21.2-150000.1.80.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch)
  • helm-zsh-completion-3.21.2-150000.1.80.1
  • helm-bash-completion-3.21.2-150000.1.80.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (noarch)
  • helm-zsh-completion-3.21.2-150000.1.80.1
  • helm-bash-completion-3.21.2-150000.1.80.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
  • helm-3.21.2-150000.1.80.1
  • helm-debuginfo-3.21.2-150000.1.80.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
  • helm-3.21.2-150000.1.80.1
  • helm-debuginfo-3.21.2-150000.1.80.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch)
  • helm-zsh-completion-3.21.2-150000.1.80.1
  • helm-bash-completion-3.21.2-150000.1.80.1
• SUSE Package Hub 15 15-SP7 (noarch)
  • helm-fish-completion-3.21.2-150000.1.80.1

References:

• https://www.suse.com/security/cve/CVE-2026-39821.html
• https://www.suse.com/security/cve/CVE-2026-48978.html
• https://bugzilla.suse.com/show_bug.cgi?id=1266598
• https://bugzilla.suse.com/show_bug.cgi?id=1270127