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CVE-2021-22884 · cross-distro fix matrix

CVE-2021-22884: Node.js before 10.24.0, 12.21.0, 14.16.0, and 15.10.0 is vulnerable to DNS rebinding attacks as the whitelist includes “localhost6”. When “localhost6” is not present in /etc/hosts, it is just an ordinary domain that is resolved via DNS, i.e., over network. If the attacker controls the victim's DNS s

Affects 8 Linux releases across 13 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-22884 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

nodejs→ fixed in12.21.0~dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nodejs
```

Debian bookworm

Source: Debian Security Tracker

nodejs→ fixed in12.21.0~dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nodejs
```

Debian trixie

Source: Debian Security Tracker

nodejs→ fixed in12.21.0~dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nodejs
```

Alpine v3.20

Source: Alpine secdb

nodejs→ fixed in14.16.0-r0
```
apk update && apk add --upgrade nodejs
```

nodejs-current→ fixed in15.10.0-r0

apk update && apk add --upgrade nodejs-current

Alpine v3.21

Source: Alpine secdb

nodejs→ fixed in14.16.0-r0
```
apk update && apk add --upgrade nodejs
```

nodejs-current→ fixed in15.10.0-r0

apk update && apk add --upgrade nodejs-current

Alpine edge

Source: Alpine secdb

nodejs→ fixed in14.16.0-r0
```
apk update && apk add --upgrade nodejs
```

nodejs-current→ fixed in15.10.0-r0

apk update && apk add --upgrade nodejs-current

Alpine v3.18

Source: Alpine secdb

nodejs→ fixed in14.16.0-r0
```
apk update && apk add --upgrade nodejs
```

nodejs-current→ fixed in15.10.0-r0

apk update && apk add --upgrade nodejs-current

Alpine v3.19

Source: Alpine secdb

nodejs→ fixed in14.16.0-r0
```
apk update && apk add --upgrade nodejs
```

nodejs-current→ fixed in15.10.0-r0

apk update && apk add --upgrade nodejs-current

Are YOU affected by CVE-2021-22884?

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

CVE-2021-22884dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

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