CVE-2025-14009 · cross-distro fix matrix

CVE-2025-14009: It was discovered that NLTK incorrectly handled file extraction when

Affects 8 Linux releases across 17 (distro × package) combinations. First disclosed: 2026-04-28.

Fix per ecosystem

Each block below is a distro release where CVE-2025-14009 has a known fix. Run the listed command on that distro to remediate.

Ubuntu bionic

Source: Ubuntu USN

nltk→ fixed in3.2.5-1ubuntu0.1+esm3USN-8214-1
```
sudo apt-get install --only-upgrade -y nltk
```
python-nltk→ fixed in3.2.5-1ubuntu0.1+esm3USN-8214-1
```
sudo apt-get install --only-upgrade -y python-nltk
```
python3-nltk→ fixed in3.2.5-1ubuntu0.1+esm3USN-8214-1
```
sudo apt-get install --only-upgrade -y python3-nltk
```

Ubuntu focal

Source: Ubuntu USN

nltk→ fixed in3.4.5-2ubuntu0.1~esm3USN-8214-1
```
sudo apt-get install --only-upgrade -y nltk
```
python3-nltk→ fixed in3.4.5-2ubuntu0.1~esm3USN-8214-1
```
sudo apt-get install --only-upgrade -y python3-nltk
```

Ubuntu jammy

Source: Ubuntu USN

nltk→ fixed in3.7-1ubuntu0.1~esm1USN-8214-1
```
sudo apt-get install --only-upgrade -y nltk
```
python3-nltk→ fixed in3.7-1ubuntu0.1~esm1USN-8214-1
```
sudo apt-get install --only-upgrade -y python3-nltk
```

Ubuntu noble

Source: Ubuntu USN

nltk→ fixed in3.8.1-1ubuntu0.1~esm1USN-8214-1
```
sudo apt-get install --only-upgrade -y nltk
```
python3-nltk→ fixed in3.8.1-1ubuntu0.1~esm1USN-8214-1
```
sudo apt-get install --only-upgrade -y python3-nltk
```

Ubuntu resolute

Source: Ubuntu USN

nltk→ fixed in3.9.2-1ubuntu0.1~esm1USN-8214-1
```
sudo apt-get install --only-upgrade -y nltk
```
python3-nltk→ fixed in3.9.2-1ubuntu0.1~esm1USN-8214-1
```
sudo apt-get install --only-upgrade -y python3-nltk
```

Ubuntu trusty

Source: Ubuntu USN

nltk→ fixed in2.0~b9-0ubuntu4.1~esm5USN-8214-1
```
sudo apt-get install --only-upgrade -y nltk
```
python-nltk→ fixed in2.0~b9-0ubuntu4.1~esm5USN-8214-1
```
sudo apt-get install --only-upgrade -y python-nltk
```

Ubuntu xenial

Source: Ubuntu USN

nltk→ fixed in3.1-1ubuntu0.1+esm3USN-8214-1
```
sudo apt-get install --only-upgrade -y nltk
```
python-nltk→ fixed in3.1-1ubuntu0.1+esm3USN-8214-1
```
sudo apt-get install --only-upgrade -y python-nltk
```
python3-nltk→ fixed in3.1-1ubuntu0.1+esm3USN-8214-1
```
sudo apt-get install --only-upgrade -y python3-nltk
```

Alpine edge

Source: Alpine secdb

py3-nltk→ fixed in3.9.3-r0

apk update && apk add --upgrade py3-nltk

Are YOU affected by CVE-2025-14009?

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

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Continuous monitoring beats manual checking

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