CVE-2019-5421 · cross-distro fix matrix

CVE-2019-5421: Plataformatec Devise version 4.5.0 and earlier, using the lockable module contains a CWE-367 vulnerability in The `Devise::Models::Lockable` class, more specifically at the `#increment_failed_attempts` method. File location: lib/devise/models/lockable.rb that can result in Multiple concurrent reques

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2019-5421 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

ruby-devise→ fixed in4.5.0-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ruby-devise
```

Debian bookworm

Source: Debian Security Tracker

ruby-devise→ fixed in4.5.0-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ruby-devise
```

Are YOU affected by CVE-2019-5421?

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.

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Form-based quickscan View on NVD

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