{"action":"Upgrade firefox-esr to 140.16.0esr-1~deb12u1 or later.","affected":[{"fixed":"140.16.0esr-1~deb12u1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["140.16.0esr-1~deb12u1"],"id":"tcs_01M5NWNA127WF9MHJAFSPQZWJV","modified_at":"2026-10-07T09:47:37.151955338Z","published_at":"2026-09-15T13:16:51.540Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-92018","https://security-tracker.debian.org/tracker/CVE-2026-92018"],"severity":{"label":"critical","score":9.6},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-92018","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-92018"}],"summary":"Sandbox escape in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thund"}