{"action":"Upgrade thunderbird to 1:140.8.0esr-1~deb12u1 or later.","affected":[{"fixed":"1:140.8.0esr-1~deb12u1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:140.8.0esr-1~deb12u1"],"id":"tcs_01M5NRFE8Z0XVSG2JXB6MPCB62","modified_at":"2026-10-01T03:03:21.599927862Z","published_at":"2026-02-24T14:16:25.287Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-2769","https://security-tracker.debian.org/tracker/CVE-2026-2769"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-2769#Debian:12/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-2769"}],"summary":"Use-after-free in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8."}