{"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:14","exploited":false,"fixed_versions":["1:52.4.0-1"],"id":"tcs_01M5NCNBW1XN944ESTHPVXBSSF","modified_at":"2026-09-01T20:03:50.855136967Z","published_at":"2018-06-11T21:29:10.810Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-7819","https://security-tracker.debian.org/tracker/CVE-2017-7819"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-7819#Debian:14/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-7819"}],"summary":"A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from memory. This results in a potentially exploitable"}