CVE-2021-40491 · cross-distro fix matrix

CVE-2021-40491: The ftp client in GNU Inetutils before 2.2 does not validate addresses returned by PASV/LSPV responses to make sure they match the server address. This is similar to CVE-2020-8284 for curl.

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-40491 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

inetutils→ fixed in2:2.0-1+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y inetutils
```

Debian bookworm

Source: Debian Security Tracker

inetutils→ fixed in2:2.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y inetutils
```

Debian trixie

Source: Debian Security Tracker

inetutils→ fixed in2:2.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y inetutils
```

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