{"vulnerability": "CVE-2021-30660", "sightings": [{"uuid": "ee987cbc-0fb9-4bdd-999b-edc0ca512b9a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-30660", "type": "published-proof-of-concept", "source": "https://t.me/CyberSecurityTechnologies/3519", "content": "#exploit\n1. CVE-2021-30660:\nXNU Kernel Memory Disclosure\nhttps://alexplaskett.github.io/CVE-2021-30660\n\n2. CVE-2021-31440:\nAn Incorrect Bounds Calculation in the Linux Kernel EBPF Verifier (PoC)\nhttps://www.zerodayinitiative.com/blog/2021/5/26/cve-2021-31440-an-incorrect-bounds-calculation-in-the-linux-kernel-ebpf-verifier", "creation_timestamp": "2021-06-02T17:52:20.000000Z"}, {"uuid": "f06e5e46-6af7-4e53-b0eb-d2f3ee202cd8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-30660", "type": "seen", "source": "https://t.me/reverseame/1255", "content": "", "creation_timestamp": "2026-07-29T12:02:57.565996Z"}, {"uuid": "2a40bdac-078a-4b9b-a489-d9cbe766d809", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-30660", "type": "seen", "source": "https://t.me/reverseame/1255", "content": "", "creation_timestamp": "2026-07-30T00:02:46.963730Z"}]}