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Package · Debian

node-ws

6 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • Medium 4.4
    CVE-2026-45736

    ws: Uninitialized memory disclosure

    ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close() implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This vulnerability is fixed in 8.20.1.

    websockets ws ws node-ws Debian Ubuntu npm
  • Medium 5.3
    CVE-2021-32640

    ReDoS in Sec-Websocket-Protocol header

    ws is an open source WebSocket client and server library for Node.js. A specially crafted value of the `Sec-Websocket-Protocol` header can be used to significantly slow down a ws server. The vulnerability has been fixed in ws@7.4.6 (https://github.com/websock…

    websockets ws ws node-ws Debian Ubuntu npm