{"action":"Upgrade thunderbird to 1:140.13.0esr-1 or later.","affected":[{"fixed":"1:140.13.0esr-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:140.13.0esr-1"],"id":"tcs_01M5NQPPRN48X684YSP35B347T","modified_at":"2026-10-01T03:02:26.350725120Z","published_at":"2026-07-21T13:17:03.793Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-16353","https://security-tracker.debian.org/tracker/CVE-2026-16353"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-16353#Debian:14/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-16353"}],"summary":"Invalid pointer in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13."}