{"action":"Upgrade chromium to 89.0.4389.82-1 or later.","affected":[{"fixed":"89.0.4389.82-1","introduced":"0"}],"component":"chromium","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["89.0.4389.82-1"],"id":"tcs_01M5NFCNP3KQXYPZS2DBPBKHTV","modified_at":"2026-10-23T18:03:11.025256272Z","published_at":"2021-03-09T18:15:17.767Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-21187","https://security-tracker.debian.org/tracker/CVE-2021-21187"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-21187#Debian:13/chromium","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-21187"}],"summary":"Insufficient data validation in URL formatting in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name."}