{"action":"Upgrade thunderbird to 1:140.16.0esr-1~deb13u1 or later.","affected":[{"fixed":"1:140.16.0esr-1~deb13u1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:140.16.0esr-1~deb13u1"],"id":"tcs_01M5NWNG6QSA8HYKXK1XZCTDMM","modified_at":"2026-10-07T09:47:32.128424255Z","published_at":"2026-09-15T13:16:53.340Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-92026","https://security-tracker.debian.org/tracker/CVE-2026-92026"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-92026#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-92026"}],"summary":"Use-after-free in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3."}