Ubuntu 26.04 NLTK Faces Significant Issues in 2026

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 26.04 LTS - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: Several security issues were fixed in NLTK. Software Description: - nltk: Natural Language Toolkit Details: It was discovered that NLTK incorrectly validated file paths when opening files using the nltk.util module. An attacker could possibly use this issue to obtain sensitive information. (CVE-2026-0846) It was discovered that NLTK incorrectly validated file paths in multiple CorpusReader classes. An attacker could possibly use this issue to obtain sensitive information. (CVE-2026-0847) It was discovered that NLTK did not properly validate external Java archive files loaded by StanfordSegmenter. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and U...

The problem can be corrected by updating your system to the following package versions: Ubuntu 26.04 LTS python3-nltk 3.9.2-1ubuntu0.1~esm2 Available with Ubuntu Pro Ubuntu 24.04 LTS python3-nltk 3.8.1-1ubuntu0.1~esm2 Available with Ubuntu Pro Ubuntu 22.04 LTS python3-nltk 3.7-1ubuntu0.1~esm2 Available with Ubuntu Pro Ubuntu 20.04 LTS python3-nltk 3.4.5-2ubuntu0.1~esm4 Available with Ubuntu Pro Ubuntu 18.04 LTS python-nltk 3.2.5-1ubuntu0.1+esm4 Available with Ubuntu Pro python3-nltk 3.2.5-1ubuntu0.1+esm4 Available with Ubuntu Pro Ubuntu 16.04 LTS python-nltk 3.1-1ubuntu0.1+esm4 Available with Ubuntu Pro python3-nltk 3.1-1ubuntu0.1+esm4 Available with Ubuntu Pro Ubuntu 14.04 LTS python-nltk 2.0~b9-0ubuntu4.1~esm6 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.

CVE-2026-0846, CVE-2026-0847, CVE-2026-0848, CVE-2026-33230,

CVE-2026-33231, CVE-2026-33236

Ubuntu Security Notice USN-8302-1

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