{"action":"Upgrade nltk to 3.6.5 or later.","affected":[{"fixed":"3.6.5","introduced":"0"}],"component":"nltk","cve_ids":["CVE-2021-43854"],"ecosystem":"PyPI","epss":0.0279,"exploited":false,"fixed_versions":["3.6.5"],"ghsa_id":"GHSA-f8m6-h2c7-8h9x","id":"tcs_01M5KGFNSBJ5RGERY8FX8FV5QY","modified_at":"2023-11-08T04:07:14.650619Z","published_at":"2021-12-23T18:15:00Z","references":["https://osv.dev/vulnerability/PYSEC-2021-859","https://github.com/nltk/nltk/pull/2869","https://github.com/nltk/nltk/commit/1405aad979c6b8080dbbc8e0858f89b2e3690341","https://github.com/nltk/nltk/security/advisories/GHSA-f8m6-h2c7-8h9x","https://github.com/nltk/nltk/issues/2866"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2021-859","url":"https://osv.dev/vulnerability/PYSEC-2021-859"}],"summary":"NLTK (Natural Language Toolkit) is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. Versions prior to 3.6.5 are vulne"}