{"action":"Upgrade firefox-esr to 52.2.0esr-1 or later.","affected":[{"fixed":"52.2.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["52.2.0esr-1"],"id":"tcs_01M5NCMWCTBMVQB64VRGDG69T0","modified_at":"2026-09-01T20:02:42.525845455Z","published_at":"2018-06-11T21:29:08.140Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-7758","https://security-tracker.debian.org/tracker/CVE-2017-7758"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-7758","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-7758"}],"summary":"An out-of-bounds read vulnerability with the Opus encoder when the number of channels in an audio stream changes while the encoder is in use. This vulnerability affects Firefox < 54, Firefox ESR < 52."}