{"vulnerability": "cve-2026-100821", "sightings": [{"uuid": "69339229-7289-498f-b388-4ecf0d7bbfbb", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-100821", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/mozilla-firefox-multiple-vulnerabilities_20260930", "content": "", "creation_timestamp": "2026-09-29T20:00:00.000000Z"}, {"uuid": "670a392c-821a-4527-a9be-37d0e0323185", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-100821", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/mozilla-thunderbird-multiple-vulnerabilities_20261002", "content": "", "creation_timestamp": "2026-10-01T20:00:00.000000Z"}]}