{"action":"Upgrade firefox-esr to 60.2.0esr-1 or later.","affected":[{"fixed":"60.2.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["60.2.0esr-1"],"id":"tcs_01M5NCZT242N193QKV3JB63EJ3","modified_at":"2026-10-23T18:03:53.826787353Z","published_at":"2018-10-18T13:29:04.837Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-12377","https://security-tracker.debian.org/tracker/CVE-2018-12377"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-12377#Debian:14/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-12377"}],"summary":"A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted while still in use. This results in a potentially expl"}