CVE-2021-3842: NLTK Vulnerable to REDoS
(updated )
NLTK is vulnerable to REDoS in some RegexpTaggers used in the functions get_pos_tagger and malt_regex_tagger.
References
- github.com/advisories/GHSA-rqjh-jp2r-59cj
- github.com/nltk/nltk
- github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d
- github.com/nltk/nltk/pull/2906
- github.com/pypa/advisory-database/tree/main/vulns/nltk/PYSEC-2022-5.yaml
- huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a
- nvd.nist.gov/vuln/detail/CVE-2021-3842
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