{"action":"Upgrade thunderbird to 1:78.10.0-1 or later.","affected":[{"fixed":"1:78.10.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:78.10.0-1"],"id":"tcs_01M5NFF846DA1ADP4JXGC7QHTJ","modified_at":"2026-10-23T18:02:46.753856852Z","published_at":"2021-02-26T03:15:13.997Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-23961","https://security-tracker.debian.org/tracker/CVE-2021-23961"],"severity":{"label":"high","score":7.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-23961#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-23961"}],"summary":"Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine."}