{"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_01M5NCEP5VTD2DB7R800H20RFY","modified_at":"2026-09-01T20:03:48.319951424Z","published_at":"2018-06-11T21:29:06.453Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-5448","https://security-tracker.debian.org/tracker/CVE-2017-5448"],"severity":{"label":"high","score":8.6},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-5448#Debian:14/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-5448"}],"summary":"An out-of-bounds write in \"ClearKeyDecryptor\" while decrypting some Clearkey-encrypted media content. The \"ClearKeyDecryptor\" code runs within the Gecko Media Plugin (GMP) sandbox. If a second mechani"}