{"action":"Upgrade thunderbird to 1:78.6.0-1 or later.","affected":[{"fixed":"1:78.6.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:78.6.0-1"],"id":"tcs_01M5NEXVGTT47RQSW608K3H2YC","modified_at":"2026-09-11T11:02:43.999342044Z","published_at":"2021-01-07T14:15:12.297Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-26978","https://security-tracker.debian.org/tracker/CVE-2020-26978"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-26978#Debian:14/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-26978"}],"summary":"Using techniques that built on the slipstream research, a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerabil"}