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

Impact An unauthenticated remote attacker can initiate a gRPC stream and purposefully fragment their payload into millions of tiny e.g., 1-byte HTTP/2 DATA frames. Even if the total payload volume falls within the configured connection and stream flow-control windows, each independent fragment...

GHSA-VP52-PCJ8-J9QC gRPC-Go: Heap Memory Exhaustion (OOM) via HTTP/2 DATA Frame Fragmentation

Impact An unauthenticated remote attacker can initiate a gRPC stream and purposefully fragment their payload into millions of tiny e.g., 1-byte HTTP/2 DATA frames. Even if the total payload volume falls within the configured connection and stream flow-control windows, each independent fragment...

Improper Handling of Case Sensitivity

Overview Affected versions of this package are vulnerable to Improper Handling of Case Sensitivity in the xDS RBAC HTTP filter, which unconditionally lowercases incoming metadata keys so a header matcher configured with uppercase letters, such as X-Role, never matches. An attacker can reach traff...

Improper Handling of Case Sensitivity

Overview Affected versions of this package are vulnerable to Improper Handling of Case Sensitivity in the xDS RBAC HTTP filter, which unconditionally lowercases incoming metadata keys so a header matcher configured with uppercase letters, such as X-Role, never matches. An attacker can reach traff...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the HTTP/2 DATA frame receive buffer handling, where each received fragment incurs per-fragment tracking and queue allocation overhead even while staying within the configured...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the HTTP/2 DATA frame receive buffer handling, where each received fragment incurs per-fragment tracking and queue allocation overhead even while staying within the configured...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the HTTP/2 DATA frame receive buffer handling, where each received fragment incurs per-fragment tracking and queue allocation overhead even while staying within the configured...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the HTTP/2 DATA frame receive buffer handling, where each received fragment incurs per-fragment tracking and queue allocation overhead even while staying within the configured...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the HTTP/2 DATA frame receive buffer handling, where each received fragment incurs per-fragment tracking and queue allocation overhead even while staying within the configured...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the HTTP/2 DATA frame receive buffer handling, where each received fragment incurs per-fragment tracking and queue allocation overhead even while staying within the configured...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the HTTP/2 DATA frame receive buffer handling, where each received fragment incurs per-fragment tracking and queue allocation overhead even while staying within the configured...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the HTTP/2 DATA frame receive buffer handling, where each received fragment incurs per-fragment tracking and queue allocation overhead even while staying within the configured...

AZL-99183 CVE-2026-84304 affecting package containerized-data-importer 1.62.0-7

gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, internal/transport/transport.go stores each fragmented HTTP/2 DATA frame as a separate recvMsg in recvBuffer, so millions of one-byte frames can consume disproportionate heap memory even when payload bytes remain within connectio...

AZL-99150 CVE-2026-84304 affecting package azcopy 10.25.1-8

gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, internal/transport/transport.go stores each fragmented HTTP/2 DATA frame as a separate recvMsg in recvBuffer, so millions of one-byte frames can consume disproportionate heap memory even when payload bytes remain within connectio...

AZL-99252 CVE-2026-84304 affecting package kubernetes 1.30.10-29

gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, internal/transport/transport.go stores each fragmented HTTP/2 DATA frame as a separate recvMsg in recvBuffer, so millions of one-byte frames can consume disproportionate heap memory even when payload bytes remain within connectio...

AZL-99204 CVE-2026-84304 affecting package docker-compose 2.27.0-13

gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, internal/transport/transport.go stores each fragmented HTTP/2 DATA frame as a separate recvMsg in recvBuffer, so millions of one-byte frames can consume disproportionate heap memory even when payload bytes remain within connectio...

AZL-99246 CVE-2026-84304 affecting package kube-vip-cloud-provider 0.0.10-8

gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, internal/transport/transport.go stores each fragmented HTTP/2 DATA frame as a separate recvMsg in recvBuffer, so millions of one-byte frames can consume disproportionate heap memory even when payload bytes remain within connectio...

AZL-99171 CVE-2026-84304 affecting package cf-cli 8.7.11-8

gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, internal/transport/transport.go stores each fragmented HTTP/2 DATA frame as a separate recvMsg in recvBuffer, so millions of one-byte frames can consume disproportionate heap memory even when payload bytes remain within connectio...

AZL-99315 CVE-2026-84304 affecting package opa 0.63.0-5

gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, internal/transport/transport.go stores each fragmented HTTP/2 DATA frame as a separate recvMsg in recvBuffer, so millions of one-byte frames can consume disproportionate heap memory even when payload bytes remain within connectio...

AZL-99213 CVE-2026-84304 affecting package etcd 3.5.33-1

gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, internal/transport/transport.go stores each fragmented HTTP/2 DATA frame as a separate recvMsg in recvBuffer, so millions of one-byte frames can consume disproportionate heap memory even when payload bytes remain within connectio...