CVE-2026-102821: Uncontrolled Resource Consumption

Russh is a Rust SSH client and server library. Prior to 0.63.2, an authenticated remote peer can send SSHMSGKEXINIT without the required SSHMSGKEXECDHINIT and then flood SSHMSGCHANNELOPEN messages while SessionKexState::InProgress prevents priorityreceiver in russh/src/server/session.rs from bein...

CVE-2026-69202

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, Ember’s HTTP/2 flow-control window is replenished according to bytes received from the network rather than bytes consumed by the application, while each stream stores DATA in an unbounded channel. A hostile peer can...

EUVD-2026-79234

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, Ember’s HTTP/2 flow-control window is replenished according to bytes received from the network rather than bytes consumed by the application, while each stream stores DATA in an unbounded channel. A hostile peer can...

GHSA-6983-JFQ8-485W Phoenix: Unbounded channel joins per transport enables DoS over few connections

Summary Phoenix transports do not limit the number of channels in a given connection, making it easy to spawn hundreds of thousands of processes over a single connection, and, eventually reaching the max processes VM limit. The solution is to limit the number of channels per transport, so an...