{"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_01M5NJB9CEPZ18EB53TM159CQG","modified_at":"2026-10-23T18:04:27.886707134Z","published_at":"2023-09-11T09:15:09.680Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-4583","https://security-tracker.debian.org/tracker/CVE-2023-4583"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-4583#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-4583"}],"summary":"When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for"}