| Name | CVE-2026-45736 |
| Description | 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1136804 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| node-ws (PTS) | bullseye | 7.4.2+~cs18.0.8-2 | vulnerable |
| bookworm | 8.11.0+~cs13.7.3-1 | vulnerable |
| trixie | 8.18.1+~cs14.18.2-1 | vulnerable |
| forky, sid | 8.20.1+~cs14.19.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| node-ws | source | (unstable) | 8.20.1+~cs14.19.1-1 | | | 1136804 |
Notes
[trixie] - node-ws <no-dsa> (Minor issue)
[bookworm] - node-ws <no-dsa> (Minor issue)
[bullseye] - node-ws <postponed> (Minor issue)
https://github.com/websockets/ws/security/advisories/GHSA-58qx-3vcg-4xpx
Fixed by: https://github.com/websockets/ws/commit/c0327ec15a54d701eb6ccefaa8bef328cfc03086 (8.20.1)