CVE-2026-21714 · cross-distro fix matrix

CVE-2026-21714: A memory leak occurs in Node.js HTTP/2 servers when a client sends WINDOW_UPDATE frames on stream 0 (connection-level) that cause the flow control window to exceed the maximum value of 2³¹-1. The server correctly sends a GOAWAY frame, but the Http2Session object is never cleaned up. This vulnerab

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

Fix per ecosystem

Each block below is a distro release where CVE-2026-21714 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

nodejs→ fixed in20.19.2+dfsg-1+deb13u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nodejs
```

Alpine v3.21

Source: Alpine secdb

nodejs→ fixed in22.22.2-r0
```
apk update && apk add --upgrade nodejs
```

Alpine edge

Source: Alpine secdb

nodejs→ fixed in24.14.1-r0
```
apk update && apk add --upgrade nodejs
```

Are YOU affected by CVE-2026-21714?

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

Continuous monitoring beats manual checking

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