{"action":"Upgrade thunderbird to 1:140.11.0esr-1~deb12u1 or later.","affected":[{"fixed":"1:140.11.0esr-1~deb12u1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:140.11.0esr-1~deb12u1"],"id":"tcs_01M5NVXHR02GAA1TYRHS9CXVCH","modified_at":"2026-10-27T09:47:29.662977104Z","published_at":"2026-05-12T14:17:11.813Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-8388","https://security-tracker.debian.org/tracker/CVE-2026-8388"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-8388#Debian:12/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-8388"}],"summary":"Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11."}