CVE-2021-21288 · cross-distro fix matrix

CVE-2021-21288: 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 the download feature has an SSRF vulnerability, allowing attacks to provide DNS entries or IP addresses that are intended for internal

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-21288 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-2021-21288?

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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