Helm Files.Lines Denial of Service via Empty Chart Files
CVE-2026-63308 is fixed in helm on 1 platform, first by SUSE-SU-2026:3882-1, released August 31, 2026. It is not reported as exploited. Patch Radar priority: Routine.
This update for helm fixes the following issues: - CVE-2026-41178: `go.opentelemetry.io/otel/baggage`,`go.opentelemetry.io/otel/propagation`: no rejection of raw-length headers in baggage parsing allows for DoS via oversized inputs (bsc#1276510). - CVE-2026-63308: processing zero-length byte slices in template chart files can trigger an index out-of-range panic (bsc#1272402). - gRPC-Go: several issues affecting the xDS RBAC authorization engine and the HTTP/2 transport server implementation (bsc#1276514). Changes for helm: - Bump vendor to address various security issues: * golang.org/x/mod@v0.40.0 * oras.land/oras-go/v2@v2.6.2 * google.golang.org/grpc@v1.82.1 * go.opentelemetry.io/otel@v1.44.0
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| helm · opensuse-leap 16.0 | 3.21.3-160000.2.1 | OPENSUSE-SU-2026:21809-1 | Sep 8, 2026 |
| helm · sles 15.6 | 3.21.3-150000.1.93.1 | SUSE-SU-2026:3882-1 | Aug 31, 2026 |
| helm · sles 15.7 | 3.21.3-150000.1.93.1 | SUSE-SU-2026:3882-1 | Aug 31, 2026 |
| helm · sles 16.0 | 3.21.3-160000.2.1 | SUSE-SU-2026:23688-1 | Sep 8, 2026 |
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