CVE-2009-5012 · cross-distro fix matrix

CVE-2009-5012: ftpserver.py in pyftpdlib before 0.5.2 does not require the l permission for the MLST command, which allows remote authenticated users to bypass intended access restrictions and list the root directory via an FTP session.

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

Fix per ecosystem

Each block below is a distro release where CVE-2009-5012 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

python-pyftpdlib→ fixed in0.5.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y python-pyftpdlib
```

Debian bookworm

Source: Debian Security Tracker

python-pyftpdlib→ fixed in0.5.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y python-pyftpdlib
```

Debian trixie

Source: Debian Security Tracker

python-pyftpdlib→ fixed in0.5.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y python-pyftpdlib
```

Are YOU affected by CVE-2009-5012?

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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