CVE-2021-32640 · cross-distro fix matrix

CVE-2021-32640: 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/websockets/ws/commit/00c425ec77993773d823f018f64

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-32640 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

node-ws→ fixed in7.4.2+~cs18.0.8-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y node-ws
```

Debian bookworm

Source: Debian Security Tracker

node-ws→ fixed in7.4.2+~cs18.0.8-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y node-ws
```

Debian trixie

Source: Debian Security Tracker

node-ws→ fixed in7.4.2+~cs18.0.8-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y node-ws
```

Are YOU affected by CVE-2021-32640?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

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