{"action":"Upgrade thunderbird to 1:52.9.0-1 or later.","affected":[{"fixed":"1:52.9.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:52.9.0-1"],"id":"tcs_01M5NCZNTP82KHR6DCH2PC0JRD","modified_at":"2026-10-23T18:03:53.906885996Z","published_at":"2018-10-18T13:29:02.040Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-12364","https://security-tracker.debian.org/tracker/CVE-2018-12364"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-12364#Debian:12/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-12364"}],"summary":"NPAPI plugins, such as Adobe Flash, can send non-simple cross-origin requests, bypassing CORS by making a same-origin POST that does a 307 redirect to the target site. This allows for a malicious site"}