{"action":"Upgrade thunderbird to 1:60.4.0-1 or later.","affected":[{"fixed":"1:60.4.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:60.4.0-1"],"id":"tcs_01M5ND7F91TJHM0T5GX68S4VN7","modified_at":"2026-10-23T18:03:03.290499107Z","published_at":"2019-02-28T18:29:01.507Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-18493","https://security-tracker.debian.org/tracker/CVE-2018-18493"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-18493#Debian:12/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-18493"}],"summary":"A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a"}