{"action":"Upgrade firefox-esr to 115.5.0esr-1 or later.","affected":[{"fixed":"115.5.0esr-1","introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["115.5.0esr-1"],"id":"tcs_01M5NJZ1VBPAZDXC9GN0PET7DE","modified_at":"2026-10-23T18:05:29.505525254Z","published_at":"2023-11-21T15:15:07.843Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-6207","https://security-tracker.debian.org/tracker/CVE-2023-6207"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-6207#Debian:13/firefox-esr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-6207"}],"summary":"Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5."}