openSUSE-SU-2026:21809-1

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    openSUSE-SU-2026:21809-1

    Published: 8 Sept 2026Last Modified: 10 Sept 2026

    Summary: Security update for helm

    Details: 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).

    References: , https://bugzilla.suse.com/1270127, https://bugzilla.suse.com/1271660, https://bugzilla.suse.com/1272402, https://bugzilla.suse.com/1276514, https://bugzilla.suse.com/1276644, https://bugzilla.suse.com/1277949, https://bugzilla.suse.com/1278270, https://bugzilla.suse.com/1278273, https://bugzilla.suse.com/1278688, https://www.suse.com/security/cve/CVE-2026-37236, https://www.suse.com/security/cve/CVE-2026-41178, https://www.suse.com/security/cve/CVE-2026-48978, https://www.suse.com/security/cve/CVE-2026-50151, https://www.suse.com/security/cve/CVE-2026-63308, https://www.suse.com/security/cve/CVE-2026-84303, https://www.suse.com/security/cve/CVE-2026-84304, https://www.suse.com/security/cve/CVE-2026-84445

    Affected packages

    Package

    Name: helm

    Purl: pkg:rpm/opensuse/helm&distro=openSUSE%20Leap%2016.0

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.21.3-160000.2.1

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    openSUSE-SU-2026:21809-1 | CVE-DB