Research · Tag · Grpc

Posts tagged grpc.

2 entries · sorted: recency← All research
KASPA
2026-08-10

rusty-kaspa gRPC pre-auth HTTP/2 stream flood causing inbound-peering exhaustion and eviction

A pre-auth HTTP/2 stream flood on the rusty-kaspa gRPC P2P endpoint causes inbound-peering exhaustion via eviction and admission denial.

Simon Morley
Read →3 min read
RESEARCH
2026-07-13

How unbounded HTTP/2 concurrent streams let one TCP connection OOM-kill an IOTA node's public gRPC server

An IOTA node's public gRPC server accepts an unbounded number of concurrent HTTP/2 streams on a single TCP connection, so one client multiplexing around 200 concurrent GetTransactions calls drives resident memory from a few hundred MB to multiple GB in about 10 seconds until the kernel OOM-killer terminates the node.

Simon Morley
Read →7 min read