{"action":"Upgrade thunderbird to 1:52.4.0-1 or later.","affected":[{"fixed":"1:52.4.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:52.4.0-1"],"id":"tcs_01M5NCNAZHTF67ZMA6AK5BGT3T","modified_at":"2026-09-01T20:03:50.706728468Z","published_at":"2018-06-11T21:29:10.750Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-7818","https://security-tracker.debian.org/tracker/CVE-2017-7818"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-7818#Debian:12/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-7818"}],"summary":"A use-after-free vulnerability can occur when manipulating arrays of Accessible Rich Internet Applications (ARIA) elements within containers through the DOM. This results in a potentially exploitable"}