{"action":"Upgrade thunderbird to 1:102.3.0-1 or later.","affected":[{"fixed":"1:102.3.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:102.3.0-1"],"id":"tcs_01M5NGY8B4N5J0MPR5PGSD4JBZ","modified_at":"2026-10-15T08:02:41.526826293Z","published_at":"2022-12-22T20:15:39.280Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2022-40959","https://security-tracker.debian.org/tracker/CVE-2022-40959"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2022-40959#Debian:14/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2022-40959"}],"summary":"During iframe navigation, certain pages did not have their FeaturePolicy fully initialized leading to a bypass that leaked device permissions into untrusted subdocuments. This vulnerability affects Fi"}