{"action":"Upgrade thunderbird to 1:128.3.0esr-1 or later.","affected":[{"fixed":"1:128.3.0esr-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:128.3.0esr-1"],"id":"tcs_01M5NMRZ4XWH0JB7C6V4XP0ENC","modified_at":"2026-10-09T09:47:24.450849540Z","published_at":"2024-10-01T16:15:10.913Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2024-9398","https://security-tracker.debian.org/tracker/CVE-2024-9398"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2024-9398","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2024-9398"}],"summary":"By checking the result of calls to `window.open` with specifically set protocol handlers, an attacker could determine if the application which implements that protocol handler is installed. This vulne"}