{"action":"Upgrade thunderbird to 1:115.2.0-1 or later.","affected":[{"fixed":"1:115.2.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:115.2.0-1"],"id":"tcs_01M5NJB8RQAAV4CCPAV4ZGF1H1","modified_at":"2026-10-26T18:02:58.651416716Z","published_at":"2023-09-11T09:15:09.550Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-4581","https://security-tracker.debian.org/tracker/CVE-2023-4581"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-4581#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-4581"}],"summary":"Excel `.xll` add-in files did not have a blocklist entry in Firefox's executable blocklist which allowed them to be downloaded without any warning of their potential harm. This vulnerability affects F"}