{"action":"Upgrade firefox-esr to 78.5.0-r0 or later.","affected":[{"fixed":"78.5.0-r0","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["78.5.0-r0"],"id":"tcs_01M6GT9RR8ANDV1Z0VB1ANWNV3","modified_at":"2026-11-03T06:32:37.209100496Z","published_at":"2020-12-09T01:15:12.770Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-26953","https://security.alpinelinux.org/vuln/CVE-2020-26953"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-26953#Alpine:v3.23/firefox-esr","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-26953"}],"summary":"It was possible to cause the browser to enter fullscreen mode without displaying the security UI; thus making it possible to attempt a phishing attack or otherwise confuse the user. This vulnerability"}