{"action":"Upgrade thunderbird to 1:68.2.1-1 or later.","affected":[{"fixed":"1:68.2.1-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:68.2.1-1"],"id":"tcs_01M5NDQ855RM22NQNH5JNP6T2X","modified_at":"2026-09-21T07:00:26.388046408Z","published_at":"2020-01-08T20:15:12.453Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-11757","https://security-tracker.debian.org/tracker/CVE-2019-11757"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-11757#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-11757"}],"summary":"When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable"}