PYSEC-2024-167

At a glance

Published: 2024-06-27 22:15 UTC
Updated: 2026-06-10 17:02 UTC
CVE: CVE-2024-39705
Aliases: GHSA-cgvx-9447-vcch

Description

NLTK through 3.8.1 allows remote code execution if untrusted packages have pickled Python code, and the integrated data package download functionality is used. This affects, for example, averaged_perceptron_tagger and punkt.

Affected packages

Package	Versions
PyPI · nltk	introduced 0, fixed 3.9

References

https://github.com/nltk/nltk/issues/2522 REPORT
https://github.com/nltk/nltk/issues/3266 REPORT
https://www.vicarius.io/vsociety/posts/rce-in-python-nltk-cve-2024-39705-39706 WEB
https://github.com/advisories/GHSA-cgvx-9447-vcch ADVISORY

Sources

Source	Licence
OSV.dev	CC-BY 4.0 — PyPA Advisory Database