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-2026-48978: oras.land/oras-go/v2/registry/remote/auth: missing validation in `auth.Client()` allows a malicious registry to hijack Bearer token realms to exfiltrate credentials and refresh tokens (bsc#1270127). - CVE-2026-56852: golang.org/x/text/unicode/norm: handling of input containing truncated/invalid UTF-8 input can lead to infinite loop (bsc#1271997). Changes for helm: - Update `x/text` to 0.40.0. - Update `x/net` to 0.57.0. - Update to 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 (dependabot[bot]).
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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-2026-48978: oras.land/oras-go/v2/registry/remote/auth: missing validation in `auth.Client()` allows a malicious registry to hijack Bearer token realms to exfiltrate credentials and refresh tokens (bsc#1270127). - CVE-2026-56852: golang.org/x/text/unicode/norm: handling of input containing truncated/invalid UTF-8 input can lead to infinite loop (bsc#1271997). Changes for helm: - Update `x/text` to 0.40.0. - Update `x/net` to 0.57.0. - Update to 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 (dependabot[bot]).
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1266598
- https://bugzilla.suse.com/1270127
- https://bugzilla.suse.com/1271997
- https://www.suse.com/security/cve/CVE-2026-39821
- https://www.suse.com/security/cve/CVE-2026-48978
- https://www.suse.com/security/cve/CVE-2026-56852
- https://www.suse.com/support/update/announcement/2026/suse-su-202623052-1/