{"action":"Upgrade thunderbird to 1:115.6.0-1 or later.","affected":[{"fixed":"1:115.6.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:115.6.0-1"],"id":"tcs_01M5NJZS4SYE5F8DFKEA6Z9PJ4","modified_at":"2026-10-26T18:02:54.546375633Z","published_at":"2023-12-19T14:15:07.560Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-6861","https://security-tracker.debian.org/tracker/CVE-2023-6861"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-6861#Debian:14/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-6861"}],"summary":"The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless mode. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121."}