{"action":"Upgrade firefox-esr to 78.10.0esr-1 or later.","affected":[{"fixed":"78.10.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["78.10.0esr-1"],"id":"tcs_01M5NFFHR5EG5KHR1C54SW4F03","modified_at":"2026-10-23T18:03:25.503904173Z","published_at":"2021-06-24T14:15:09.447Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-23998","https://security-tracker.debian.org/tracker/CVE-2021-23998"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-23998#Debian:13/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-23998"}],"summary":"Through complicated navigations with new windows, an HTTP page could have inherited a secure lock icon from an HTTPS page. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Fire"}