{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"firefox-esr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5ZTPQB7YHT674VTSC8Q4NAR","modified_at":"2026-10-28T22:00:27.828153490Z","published_at":"2026-10-27T14:16:51.800Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-117958","https://security-tracker.debian.org/tracker/CVE-2026-117958"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-117958","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-117958"}],"summary":"Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6."}