{"action":"Upgrade thunderbird to 1:52.8.0-1 or later.","affected":[{"fixed":"1:52.8.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:52.8.0-1"],"id":"tcs_01M5NDEGV8SBSBJ8DTZ1DST1CB","modified_at":"2026-10-23T18:03:21.649649336Z","published_at":"2018-06-11T21:29:16.203Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-5178","https://security-tracker.debian.org/tracker/CVE-2018-5178"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-5178#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-5178"}],"summary":"A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data. This vulnerability requires the use of a malicious or vulnerable legacy ext"}