CLSA-2026-1788560439 TuxCare security update for ws (3 CVEs)

TuxCare rebuilt ws to address 3 CVEs. Fixed in 6.0.0-tuxcare.1...

Linux Distros Unpatched Vulnerability : CVE-2026-48779

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ws is an open source WebSocket client and server for Node.js. All versions from 1.1.0 up to but not including 5.2.5, from 6.0.0 up to 6.2.4, from 7.0.0 up to...

ws: ws: Uninitialized memory disclosure via `websocket.close()` with `TypedArray`

A flaw was found in ws, an open source WebSocket client and server for Node.js. The websocket.close implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This can lead to the disclosure of sensitive information from uninitialized memor...

UBUNTU-CVE-2026-48779

ws is an open source WebSocket client and server for Node.js. All versions from 1.1.0 up to but not including 5.2.5, from 6.0.0 up to 6.2.4, from 7.0.0 up to 7.5.11, and from 8.0.0 up to 8.21.0 are affected by a memory exhaustion DoS vulnerability. A peer can send a high volume of exceptionally...

PT-2026-49552

Name of the Vulnerable Software and Affected Versions ws versions 1.1.0 through 5.2.4 ws versions 6.0.0 through 6.2.3 ws versions 7.0.0 through 7.5.10 ws versions 8.0.0 through 8.20.9 Description ws is an open source WebSocket client and server for Node.js. A peer can send a high volume of...

GHSA-58QX-3VCG-4XPX ws: Uninitialized memory disclosure

Impact The websocket.close implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. Proof of concept js import deepStrictEqual from 'node:assert'; import WebSocket, WebSocketServer from 'ws'; const wss = new WebSocketServer port: 0,...

EUVD-2021-0968

Malware in sbrugna...

The vulnerability of the `server.maxHeadersCount()` configuration in the client-server library `ws` of the Node.js software platform allows a attacker to trigger a denial-of-service attack.

The vulnerability of the server.maxHeadersCount configuration in the client-server library ws of the Node.js software platform is related to errors in pointer assignment due to exceeding the threshold values of request headers. Exploiting this vulnerability may allow a remote attacker to trigger ...

PT-2024-5560

Name of the Vulnerable Software and Affected Versions ws versions prior to 8.17.1 ws versions prior to 7.5.10 ws versions prior to 6.2.3 ws versions prior to 5.2.4 Description The issue is related to errors in handling request headers in the ws library for Node.js, specifically when the number of...