{"action":"Upgrade thunderbird to 1:91.9.0-1 or later.","affected":[{"fixed":"1:91.9.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:91.9.0-1"],"id":"tcs_01M5NGCSFAQJNNVAFANX9NP81F","modified_at":"2026-10-15T08:01:07.113559853Z","published_at":"2022-12-22T20:15:13.217Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2022-1520","https://security-tracker.debian.org/tracker/CVE-2022-1520"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2022-1520","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2022-1520"}],"summary":"When viewing an email message A, which contains an attached message B, where B is encrypted or digitally signed or both, Thunderbird may show an incorrect encryption or signature status. After opening"}