gRPC-Go: Heap Memory Exhaustion (OOM) via HTTP/2 DATA Frame Fragmentation

Date Sep 1, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Go ยท google.golang.org/grpc
CVE CVE-2026-84304
High-risk advisory CVE-2026-84304

Summary

gRPC-Go: Heap Memory Exhaustion (OOM) via HTTP/2 DATA Frame Fragmentation

Why it matters

GitHub has published a reviewed security advisory for google.golang.org/grpc. Prioritize it with other application dependency updates.

Operator check

Check whether google.golang.org/grpc is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.7.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.