{"id":"GHSA-cgvx-9447-vcch","summary":"ntlk unsafe deserialization vulnerability","details":"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.","aliases":["CVE-2024-39705","PYSEC-2024-167"],"modified":"2026-02-04T02:18:41.126068Z","published":"2024-06-28T00:33:31Z","related":["CGA-q68c-4vvm-g9r9"],"database_specific":{"github_reviewed_at":"2024-06-28T21:11:25Z","severity":"HIGH","github_reviewed":true,"nvd_published_at":"2024-06-27T22:15:10Z","cwe_ids":["CWE-300","CWE-502"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-39705"},{"type":"WEB","url":"https://github.com/nltk/nltk/issues/2522"},{"type":"WEB","url":"https://github.com/nltk/nltk/issues/3266"},{"type":"WEB","url":"https://github.com/nltk/nltk/commit/441aecb7d33014bd08672232c6c8bb69c2ceaba2"},{"type":"PACKAGE","url":"https://github.com/nltk/nltk"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/nltk/PYSEC-2024-167.yaml"},{"type":"WEB","url":"https://www.vicarius.io/vsociety/posts/rce-in-python-nltk-cve-2024-39705-39706"}],"affected":[{"package":{"name":"nltk","ecosystem":"PyPI","purl":"pkg:pypi/nltk"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9"}]}],"versions":["0.8","0.9","0.9.3","0.9.4","0.9.5","0.9.6","0.9.7","0.9.8","0.9.9","2.0.1","2.0.1rc1","2.0.1rc2-git","2.0.1rc3","2.0.1rc4","2.0.2","2.0.3","2.0.4","2.0.5","2.0b4","2.0b5","2.0b6","2.0b7","2.0b8","2.0b9","3.0.0","3.0.0b1","3.0.0b2","3.0.1","3.0.2","3.0.3","3.0.4","3.0.5","3.1","3.2","3.2.1","3.2.2","3.2.3","3.2.4","3.2.5","3.3","3.4","3.4.1","3.4.2","3.4.3","3.4.4","3.4.5","3.5","3.5b1","3.6","3.6.1","3.6.2","3.6.3","3.6.4","3.6.5","3.6.6","3.6.7","3.7","3.8","3.8.1","3.9b1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/06/GHSA-cgvx-9447-vcch/GHSA-cgvx-9447-vcch.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}