{"action":"Upgrade firefox-esr to 140.11.0esr-1 or later.","affected":[{"fixed":"140.11.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["140.11.0esr-1"],"id":"tcs_01M5NW8THYSFVX5VHBSWHGXAY9","modified_at":"2026-10-01T03:03:44.968745331Z","published_at":"2026-05-19T14:16:52.600Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-8962","https://security-tracker.debian.org/tracker/CVE-2026-8962"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-8962#Debian:14/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-8962"}],"summary":"Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11."}