{"action":"Upgrade thunderbird to 1:78.5.0-1 or later.","affected":[{"fixed":"1:78.5.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:78.5.0-1"],"id":"tcs_01M5NEXHJB1MX9HKA4GY86ZF48","modified_at":"2026-10-26T12:02:41.458718529Z","published_at":"2020-12-09T01:15:12.643Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-26951","https://security-tracker.debian.org/tracker/CVE-2020-26951"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-26951#Debian:12/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-26951"}],"summary":"A parsing and event loading mismatch in Firefox's SVG code could have allowed load events to fire, even after sanitization. An attacker already capable of exploiting an XSS vulnerability in privileged"}