SUSE-SU-2026:23506-1: important: Security update for helm
SLE-SECURITY-UPDATES
null at suse.de
Thu Sep 10 08:32:22 UTC 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:
* https://www.suse.com/security/cve/CVE-2026-37236.html
* https://www.suse.com/security/cve/CVE-2026-41178.html
* https://www.suse.com/security/cve/CVE-2026-48978.html
* https://www.suse.com/security/cve/CVE-2026-50151.html
* https://www.suse.com/security/cve/CVE-2026-63308.html
* https://www.suse.com/security/cve/CVE-2026-84303.html
* https://www.suse.com/security/cve/CVE-2026-84304.html
* https://www.suse.com/security/cve/CVE-2026-84445.html
* https://bugzilla.suse.com/show_bug.cgi?id=1270127
* https://bugzilla.suse.com/show_bug.cgi?id=1271660
* https://bugzilla.suse.com/show_bug.cgi?id=1272402
* https://bugzilla.suse.com/show_bug.cgi?id=1276514
* https://bugzilla.suse.com/show_bug.cgi?id=1276644
* https://bugzilla.suse.com/show_bug.cgi?id=1277949
* https://bugzilla.suse.com/show_bug.cgi?id=1278270
* https://bugzilla.suse.com/show_bug.cgi?id=1278273
* https://bugzilla.suse.com/show_bug.cgi?id=1278688
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