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Vulnerabilities / openSUSE-SU-2026:21809-1

critical

openSUSE-SU-2026:21809-1

Security update for helm

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

No source gives a CVSS score.

Trivy's own label is CRITICAL. Rated critical by SUSE.

Description

This update for helm fixes the following issues: Update to version 3.21.1: - CVE-2026-37236: github.com/grpc-ecosystem/grpc-gateway/v2/runtime: client can override the HTTP method of a POST request through the X-HTTP-Method-Override header and bypass established access control (bsc#1277949). - CVE-2026-41178: go.opentelemetry.io/otel/baggage: no rejection of raw-length headers in baggage parsing allows for DoS via oversized inputs (bsc#1276644). - 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). - CVE-2026-50151: oras-go: Credential forwarding via unvalidated Location header during blob upload (bsc#1271660). - CVE-2026-63308: processing zero-length byte slices in template chart files can trigger an index out-of-range panic (bsc#1272402). - CVE-2026-84303: github.com/grpc/grpc-go: xDS RBAC HTTP filter implementation issue allows for bypass of authorization policies via mixed-case or canonical-case header matches (bsc#1278270). - CVE-2026-84304: github.com/grpc/grpc-go: heap memory exhaustion via HTTP/2 DATA frame fragmentation (bsc#1278273). - CVE-2026-84445: google.golang.org/grpc: DoS via crash due to missing `:authority` and `Host` headers in gRPC-Go xDS servers (bsc#1278688). - gRPC-Go: several issues affecting the xDS RBAC authorization engine and the HTTP/2 transport server implementation (bsc#1276514).

Affected packages and fixed versions

SourcePackageFixed in
openSUSE Leap 16.0helm, helm-bash-completion, helm-fish-completion and 1 more3.21.3-160000.2.1
Show all 4 entries from 1 source
SourcePackageFixed in
openSUSE Leap 16.0helm3.21.3-160000.2.1
openSUSE Leap 16.0helm-bash-completion3.21.3-160000.2.1
openSUSE Leap 16.0helm-fish-completion3.21.3-160000.2.1
openSUSE Leap 16.0helm-zsh-completion3.21.3-160000.2.1

References

All 18 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.