{"action":"Upgrade nltk to 3.10.3-1 or later.","affected":[{"fixed":"3.10.3-1","introduced":"0"}],"component":"nltk","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3.10.3-1"],"id":"tcs_01M5NVNVS3RVDTWWSCJHQBJP4W","modified_at":"2026-10-01T03:03:35.359994111Z","published_at":"2026-08-26T11:16:40.103Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-80206","https://security-tracker.debian.org/tracker/CVE-2026-80206"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-80206#Debian:14/nltk","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-80206"}],"summary":"NLTK before 3.10.3 contains a regular expression denial of service (ReDoS) vulnerability in the tgrep module. The _tgrep_node_action function compiles user-supplied regular expressions embedded in /re"}