{"action":"Upgrade firefox-esr to 140.11.0esr-1~deb13u1 or later.","affected":[{"fixed":"140.11.0esr-1~deb13u1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["140.11.0esr-1~deb13u1"],"id":"tcs_01M5NW6SEJM7YFKQTGVYN3P96C","modified_at":"2026-10-15T09:47:44.783677917Z","published_at":"2026-05-19T14:16:50.910Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-8947","https://security-tracker.debian.org/tracker/CVE-2026-8947"],"severity":{"label":"high","score":7.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-8947#Debian:13/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-8947"}],"summary":"Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11."}