Detections
Analytics
Ubuntu 14.04 LTS / 18.04 LTS / 22.04 LTS : NLTK vulnerability (USN-8214-1)
critical Nessus Plugin ID 310738
Synopsis
The remote Ubuntu host is missing a security update.Description
The remote Ubuntu 14.04 LTS / 18.04 LTS / 22.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8214-1 advisory.It was discovered that NLTK incorrectly handled file extraction when opening a maliciously crafted zip file. An attacker could possibly use this issue to create or overwrite files on the system and execute arbitrary code.
Tenable has extracted the preceding description block directly from the Ubuntu security advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the affected python-nltk and / or python3-nltk packages.See Also
Plugin Details
Severity: Critical
ID: 310738
File Name: ubuntu_USN-8214-1.nasl
Version: 1.1
Type: Local
Agent: unix
Family: Ubuntu Local Security Checks
Published: 4/28/2026
Updated: 4/28/2026
Supported Sensors: Nessus Agent, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.3
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2025-14009
CVSS v3
Risk Factor: Critical
Base Score: 10
Temporal Score: 9
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:python-nltk, p-cpe:/a:canonical:ubuntu_linux:python3-nltk, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts
Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 4/28/2026
Vulnerability Publication Date: 2/18/2026
Reference Information
CVE: CVE-2025-14009
USN: 8214-1