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SUSE alert SUSE-SU-2026:23506-1 (helm)

Lwn • September 11, 2026

# Security update for helm Announcement ID: SUSE-SU-2026:23506-1 Release Date: 2026-09-08T14:27:43Z Rating: important References: * bsc#1270127 * bsc#1271660 * bsc#1272402 * bsc#1276514 * bsc#1276644 * bsc#1277949 * bsc#1278270 * bsc#1278273 * bsc#1278688 Cross-References: * CVE-2026-37236 * CVE-2026-41178 * CVE-2026-48978 * CVE-2026-50151 * CVE-2026-63308 * CVE-2026-84303 * CVE-2026-84304 * CVE-2026-84445 CVSS scores: * CVE-2026-37236 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N * CVE-2026-37236 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N * CVE-2026-37236 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2026-41178 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L * CVE-2026-41178 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L * CVE-2026-48978 ( SUSE ): 2.1 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N * CVE-2026-48978 ( SUSE ): 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N * CVE-2026-48978 ( NVD ): 2.1 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X * CVE-2026-50151 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N * CVE-2026-50151 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N * CVE-2026-63308 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L * CVE-2026-63308 ( NVD ): 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X * CVE-2026-63308 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L * CVE-2026-63308 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H * CVE-2026-84303 ( SUSE ): 9.1 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N * CVE-2026-84303 ( SUSE ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N * CVE-2026-84303 ( NVD ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X * CVE-2026-84304 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N * CVE-2026-84304 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H * CVE-2026-84304 ( NVD ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X * CVE-2026-84445 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N * CVE-2026-84445 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Affected Products: * SUSE Linux Micro 6.2 An update that solves eight vulnerabilities and has one fix can now be installed. ## 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). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Micro 6.2 zypper in -t patch SUSE-SL-Micro-6.2-1640=1 ## Package List: * SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64) * helm-3.21.3-160000.2.1 * helm-debuginfo-3.21.3-160000.2.1 * SUSE Linux Micro 6.2 (noarch) * helm-bash-completion-3.21.3-160000.2.1 ## References: * * * * * * * * * * * * * * * * * Attachment : None (type=text/html) (HTML attachment elided)

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