{"action":"Upgrade chromium to 88.0.4324.96-0.1 or later.","affected":[{"fixed":"88.0.4324.96-0.1","introduced":"0"}],"component":"chromium","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["88.0.4324.96-0.1"],"id":"tcs_01M5NFC5789YC1TY835W6RKT6F","modified_at":"2026-10-23T18:03:10.943398429Z","published_at":"2021-02-09T14:15:16.843Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-21139","https://security-tracker.debian.org/tracker/CVE-2021-21139"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-21139#Debian:13/chromium","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-21139"}],"summary":"Inappropriate implementation in iframe sandbox in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page."}