{"action":"Upgrade firefox-esr to 45.9.0esr-1 or later.","affected":[{"fixed":"45.9.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["45.9.0esr-1"],"id":"tcs_01M5NCENTM9QRDSF1RDT2RC8JD","modified_at":"2026-09-01T20:03:48.297104972Z","published_at":"2018-06-11T21:29:06.390Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-5447","https://security-tracker.debian.org/tracker/CVE-2017-5447"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-5447#Debian:14/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-5447"}],"summary":"An out-of-bounds read during the processing of glyph widths during text layout. This results in a potentially exploitable crash and could allow an attacker to read otherwise inaccessible memory. This"}