CVE-2021-21305 · cross-distro fix matrix

CVE-2021-21305: CarrierWave is an open-source RubyGem which provides a simple and flexible way to upload files from Ruby applications. In CarrierWave before versions 1.3.2 and 2.1.1, there is a code injection vulnerability. The "#manipulate!" method inappropriately evals the content of mutation option(:read/:write)

Affects 1 Linux release across 1 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-21305 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

ruby-carrierwave→ fixed in1.3.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ruby-carrierwave
```

Are YOU affected by CVE-2021-21305?

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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