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SUSE-SU-2026:22934-1 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceSUSE-SU-2026:22934-1

SUSE-SU-2026:22934-1

HIGH7.4

Security update for helm

Published Jul 22, 2026

Modified 2 months ago

Fix available

Details

Description of the patch:

This update for helm fixes the following issues

Update to version 3.21.3
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-2026-56852: golang.org/x/text/unicode/norm: infinite loop on truncated/invalid UTF-8 input (bsc#1271997).

Affected Packages

helm

SUSE Linux Micro 6.2

Fixed in:

3.21.3-160000.1.1

helm-bash-completion

SUSE Linux Micro 6.2

Fixed in:

3.21.3-160000.1.1

References

https://bugzilla.suse.com/1266598

https://bugzilla.suse.com/1271997

https://lists.suse.com/pipermail/sle-updates/2026-July/048865.html

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

https://www.suse.com/security/cve/CVE-2026-56852/

https://www.suse.com/support/security/rating/

https://www.suse.com/support/update/announcement/2026/suse-su-202622934-1/

CVSS Analysis

CVSS v3.1

7.4

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

HighAC:H

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

NoneA:N

7.4/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Upstream

CVE-2026-39821 CVE-2026-56852

Ecosystems

SUSE Linux Micro 6.2

Timeline

PublishedJul 22, 2026

ModifiedJul 22, 2026