{"action":"Upgrade tidy-html5 to 2:5.8.0-2 or later.","affected":[{"fixed":"2:5.8.0-2","introduced":"0"}],"component":"tidy-html5","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2:5.8.0-2"],"id":"tcs_01M5NFQE8ASNXQVSWASZG4259K","modified_at":"2026-10-23T18:03:14.247483275Z","published_at":"2023-02-17T18:15:11.187Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-33391","https://security-tracker.debian.org/tracker/CVE-2021-33391"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-33391#Debian:14/tidy-html5","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-33391"}],"summary":"An issue in HTACG HTML Tidy v5.7.28 allows attacker to execute arbitrary code via the -g option of the CleanNode() function in gdoc.c."}