K000161909: Node.js vulnerability CVE-2026-21714

Security Advisory Description A memory leak occurs in Node.js HTTP/2 servers when a client sends WINDOWUPDATE frames on stream 0 connection-level that cause the flow control window to exceed the maximum value of 2³¹-1. The server correctly sends a GOAWAY frame, but the Http2Session object is neve...

CVE-2026-31814

Yamux is a stream multiplexer over reliable, ordered connections such as TCP/IP. From 0.13.0 to before 0.13.9, a specially crafted WindowUpdate can cause arithmetic overflow in send-window accounting, which triggers a panic in the connection state machine. This is remotely reachable over a normal...

Netty affected by MadeYouReset HTTP/2 DDoS vulnerability

Below is a technical explanation of a newly discovered vulnerability in HTTP/2, which we refer to as “MadeYouReset.” MadeYouReset Vulnerability Summary The MadeYouReset DDoS vulnerability is a logical vulnerability in the HTTP/2 protocol, that uses malformed HTTP/2 control frames in order to brea...