chore: upgrade google.golang.org/grpc to v1.83.1 (CVE-2026-84304) - #24
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Addresses CVE-2026-84304 (gRPC-Go heap memory exhaustion via HTTP/2 DATA frame fragmentation), patched in google.golang.org/grpc v1.83.1.
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Related to SOU-2120
Summary
Upgrades
google.golang.org/grpcfrom v1.83.0 to v1.83.1 to remediate CVE-2026-84304.Current
mainalready contains the overlapping OpenTelemetry and gRPC v1.83.0 dependency updates from #25. Rebasing this change onto that commit leaves the minimal resolution: the direct gRPC requirement and its matching checksums advance to v1.83.1, with no source changes or transitive dependency churn.Verification
go mod verifygo mod why -m google.golang.org/grpcgo list -m google.golang.org/grpc→v1.83.1go mod graphcontains no gRPC v1.82 referencesgo test ./...(includinginternal/e2e)go build -o <temporary-output>/ ./cmd/...zoekt-sourcegraph-indexserverandzoekt-webserverbinaries contain gRPC v1.83.1 and OpenTelemetry v1.45.0go vet ./...reports only pre-existing source findings (unkeyed test literals and a lock-copy warning), unrelated to this dependency-only change