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SUSE-SU-2026:3342-1 Not scored

Security update for helm

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: handling input containing truncated or invalid UTF-8 bytes can lead to an infinite loop (bsc#1271997). Other updates and bugfixes: - Update x/text to 0.40.0. - Update x/net to 0.57.0. - Version 3.21.3: * Apply suggestions from code review 1ad6e68 (Benoit Tigeot). * fix: drop containerd v1 dep to resolve govulncheck CVEs 037733e (Benoit Tigeot). * chore(deps): bump github.com/containerd/containerd from 1.7.32 to 1.7.33 d3e178b.

Exploit probability Not scored
Published July 28, 2026
Required by Not available
Last source change July 28, 2026

02 / AFFECTED SOFTWARE

Affected packages

SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS helm
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS helm
SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS helm
SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS helm
SUSE:Linux Enterprise Micro 5.5 helm
SUSE:Linux Enterprise Module for Containers 15 SP7 helm
SUSE:Linux Enterprise Module for Package Hub 15 SP7 helm
SUSE:Linux Enterprise Server 15 SP4-LTSS helm
SUSE:Linux Enterprise Server 15 SP5-LTSS helm
SUSE:Linux Enterprise Server 15 SP6-LTSS helm
SUSE:Linux Enterprise Server for SAP Applications 15 SP4 helm
SUSE:Linux Enterprise Server for SAP Applications 15 SP5 helm
SUSE:Linux Enterprise Server for SAP Applications 15 SP6 helm

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities SUSE-SU-2026:3342-1

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: handling input containing truncated or invalid UTF-8 bytes can lead to an infinite loop (bsc#1271997). Other updates and bugfixes: - Update x/text to 0.40.0. - Update x/net to 0.57.0. - Version 3.21.3: * Apply suggestions from code review 1ad6e68 (Benoit Tigeot). * fix: drop containerd v1 dep to resolve govulncheck CVEs 037733e (Benoit Tigeot). * chore(deps): bump github.com/containerd/containerd from 1.7.32 to 1.7.33 d3e178b.

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05 / REFERENCES

Further evidence