CVE-2022-21222 · cross-distro fix matrix

CVE-2022-21222: The package css-what before 2.1.3 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the usage of insecure regular expression in the re_attr variable of index.js. The exploitation of this vulnerability could be triggered via the parse function.

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

Fix per ecosystem

Each block below is a distro release where CVE-2022-21222 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

node-css-what→ fixed in4.0.0-3+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y node-css-what
```

Debian bookworm

Source: Debian Security Tracker

node-css-what→ fixed in5.0.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y node-css-what
```

Debian trixie

Source: Debian Security Tracker

node-css-what→ fixed in5.0.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y node-css-what
```

Are YOU affected by CVE-2022-21222?

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-2022-21222dropped 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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