{"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_01M5NCENEKDA9W7GPN079GN9KJ","modified_at":"2026-09-01T20:03:48.379060851Z","published_at":"2018-06-11T21:29:06.343Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-5446","https://security-tracker.debian.org/tracker/CVE-2017-5446"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-5446#Debian:14/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-5446"}],"summary":"An out-of-bounds read when an HTTP/2 connection to a servers sends \"DATA\" frames with incorrect data content. This leads to a potentially exploitable crash. This vulnerability affects Thunderbird < 52"}