{"id":"CVE-2021-3828","details":"nltk is vulnerable to Inefficient Regular Expression Complexity","aliases":["GHSA-2ww3-fxvq-293j","PYSEC-2021-356"],"modified":"2026-05-16T04:03:06.253932207Z","published":"2021-09-27T13:15:07.993Z","related":["openSUSE-SU-2022:10040-1","openSUSE-SU-2024:11958-1","openSUSE-SU-2025:15099-1"],"database_specific":{},"references":[{"type":"FIX","url":"https://github.com/nltk/nltk/commit/277711ab1dec729e626b27aab6fa35ea5efbd7e6"},{"type":"FIX","url":"https://huntr.dev/bounties/d19aed43-75bc-4a03-91a0-4d0bb516bc32"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}