{"action":"Upgrade firefox-esr to 52.6.0-r0 or later.","affected":[{"fixed":"52.6.0-r0","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.9","exploited":false,"fixed_versions":["52.6.0-r0"],"id":"tcs_01M6GEBYWBBG4H0MPD1MRP6HNX","modified_at":"2026-11-03T06:31:23.155918772Z","published_at":"2018-06-11T21:29:12.703Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2018-5099","https://security.alpinelinux.org/vuln/CVE-2018-5099"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2018-5099#Alpine:v3.9/firefox-esr","url":"https://osv.dev/vulnerability/ALPINE-CVE-2018-5099"}],"summary":"A use-after-free vulnerability can occur when the widget listener is holding strong references to browser objects that have previously been freed, resulting in a potentially exploitable crash when the"}