{"action":"Upgrade thunderbird to 1:115.3.0-1 or later.","affected":[{"fixed":"1:115.3.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:115.3.0-1"],"id":"tcs_01M5NJEKK7NSW4WZB9FH0KDBHA","modified_at":"2026-10-26T18:01:55.072016345Z","published_at":"2023-09-27T15:19:42.227Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-5171","https://security-tracker.debian.org/tracker/CVE-2023-5171"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-5171#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-5171"}],"summary":"During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to write two NUL bytes, and cause a potentially exploitable crash. This vulnerabili"}