{"action":"Upgrade firefox-esr to 52.4.0esr-2 or later.","affected":[{"fixed":"52.4.0esr-2","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["52.4.0esr-2"],"id":"tcs_01M5NCN507MBANRG7XCW7D9SXC","modified_at":"2026-09-01T20:02:42.681800873Z","published_at":"2018-06-11T21:29:09.500Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-7793","https://security-tracker.debian.org/tracker/CVE-2017-7793"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-7793#Debian:14/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-7793"}],"summary":"A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects"}