{"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:v3.10","exploited":false,"fixed_versions":["52.6.0-r0"],"id":"tcs_01M6GBZ5FRBFDM1DP6N31XYM54","modified_at":"2026-11-03T06:30:48.963808100Z","published_at":"2018-06-11T21:29:12.297Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2018-5091","https://security.alpinelinux.org/vuln/CVE-2018-5091"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2018-5091","url":"https://osv.dev/vulnerability/ALPINE-CVE-2018-5091"}],"summary":"A use-after-free vulnerability can occur during WebRTC connections when interacting with the DTMF timers. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 52.6"}