{"action":"Upgrade thunderbird to 1:115.5.0-1 or later.","affected":[{"fixed":"1:115.5.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:115.5.0-1"],"id":"tcs_01M5NJZ0Z2HBAMDACBJ4AB5H9H","modified_at":"2026-10-26T18:03:02.402319897Z","published_at":"2023-11-21T15:15:07.737Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-6205","https://security-tracker.debian.org/tracker/CVE-2023-6205"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-6205#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-6205"}],"summary":"It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 120, Firefox ESR < 115"}