{"vulnerability": "CVE-2021-30797", "sightings": [{"uuid": "3f4be244-1092-4e0a-9764-61a2916dd080", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-30797", "type": "published-proof-of-concept", "source": "https://t.me/CyberSecurityTechnologies/4112", "content": "#exploit\nCVE-2021-30797:\nJavaScriptCore: Uninitialized register in slow_path_profile_catch\nhttps://bugs.chromium.org/p/project-zero/issues/detail?id=2191", "creation_timestamp": "2021-08-20T12:27:06.000000Z"}, {"uuid": "7eb718cb-f8d9-4bb4-bd52-a7d50041de19", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-30797", "type": "published-proof-of-concept", "source": "https://t.me/cissp/4047", "content": "", "creation_timestamp": "2026-09-10T22:00:03.465108Z"}, {"uuid": "50d9d668-b46e-4396-977f-6248563a2377", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-30797", "type": "seen", "source": "https://t.me/cissp/4047", "content": "", "creation_timestamp": "2026-09-01T17:00:42.223353Z"}]}