{"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_01M5NVXJ7341T4CFDF16NR173E","modified_at":"2026-10-26T11:47:38.501862134Z","published_at":"2026-05-12T14:17:12.173Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-8391","https://security-tracker.debian.org/tracker/CVE-2026-8391"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-8391#Debian:13/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-8391"}],"summary":"Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11."}