{"action":"Upgrade firefox-esr to 140.15.0esr-1~deb12u1 or later.","affected":[{"fixed":"140.15.0esr-1~deb12u1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["140.15.0esr-1~deb12u1"],"id":"tcs_01M5NQPXDFHPX1QXFQ9PFYXMA2","modified_at":"2026-10-25T09:47:40.038846936Z","published_at":"2026-07-21T13:17:05.037Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-16365","https://security-tracker.debian.org/tracker/CVE-2026-16365"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-16365","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-16365"}],"summary":"Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 153, Thunderbird 153, Firefox ESR 140.15, and Thunderbird 140.15."}