{"action":"Upgrade firefox-esr to 140.10.0esr-1~deb13u1 or later.","affected":[{"fixed":"140.10.0esr-1~deb13u1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["140.10.0esr-1~deb13u1"],"id":"tcs_01M5NTQ2ZFM1MDXSN6PYVKY084","modified_at":"2026-10-26T11:47:25.964285787Z","published_at":"2026-04-21T13:16:22.227Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-6763","https://security-tracker.debian.org/tracker/CVE-2026-6763"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-6763#Debian:13/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-6763"}],"summary":"Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10."}