Node.js Module Undici 8.1.x < 8.5.0 DoS (CVE-2026-9675)

The nodejs module Undici detected on the host is version 8.1.x prior to 8.5.0. It is, therefore, affected by a denial of service vulnerability: - The undici WebSocket client enforces maxPayloadSize per-frame but does not enforce the cumulative size of fragmented uncompressed messages. A malicious...

EUVD-2026-37752

undici WebSocket client vulnerable to denial of service via cumulative fragment bypass...

Allocation of Resources Without Limits or Throttling

Overview undici is an An HTTP/1.1 client, written from scratch for Node.js Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the handling of WebSocket message fragments. An attacker can cause unbounded memory growth and exhaust system...

Allocation of Resources Without Limits or Throttling

Overview undici is an An HTTP/1.1 client, written from scratch for Node.js Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the handling of fragmented WebSocket messages. An attacker can cause unbounded memory growth and exhaust system...

curl: WebSocket Fragmentation DoS on Curl Client

Summary A malicious WebSocket server can send a fragmented message FIN=0 followed by a flood of continuation frames, causing the client curl to continuously allocate memory while waiting for message completion. This can result in high memory usage and potential crash OOM, representing a...