NLTK Downloader before 3.4.5 is vulnerable to a directory traversal, allowing attackers to write arbitrary files via a ../ (dot dot slash) in an NLTK package (ZIP archive) that is mishandled during extraction.
{
"github_reviewed_at": "2019-08-23T21:48:38Z",
"cwe_ids": [
"CWE-22"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": "2019-08-22T16:15:00Z"
}