{"action":"Upgrade thunderbird to 1:52.6.0-1 or later.","affected":[{"fixed":"1:52.6.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:52.6.0-1"],"id":"tcs_01M5NDE2Q6PD5DSX00DMVFWS71","modified_at":"2026-10-23T18:04:48.114181262Z","published_at":"2018-06-11T21:29:12.953Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-5104","https://security-tracker.debian.org/tracker/CVE-2018-5104"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-5104#Debian:14/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-5104"}],"summary":"A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbir"}