CVE-2021-23364 · cross-distro fix matrix

CVE-2021-23364: The package browserslist from 4.0.0 and before 4.16.5 are vulnerable to Regular Expression Denial of Service (ReDoS) during parsing of queries.

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-23364 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

node-browserslist→ fixed in4.16.3+~cs5.4.72-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y node-browserslist
```

Debian bookworm

Source: Debian Security Tracker

node-browserslist→ fixed in4.16.3+~cs5.4.72-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y node-browserslist
```

Debian trixie

Source: Debian Security Tracker

node-browserslist→ fixed in4.16.3+~cs5.4.72-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y node-browserslist
```

Are YOU affected by CVE-2021-23364?

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-2021-23364dropped 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.

See StackPatch ($99 lifetime)