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.
Exploitability
AV:NAC:HPR:HUI:NScope
S:UImpact
C:HI:NA:N4.4/CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:NOther