{"vulnerability": "CVE-2021-21191", "sightings": [{"uuid": "79c87bd3-beaf-49b1-968f-2d39638d21ea", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-21191", "type": "seen", "source": "MISP/b68115dc-e2d1-4996-8966-85cedf58e561", "content": "", "creation_timestamp": "2024-11-14T06:08:48.000000Z"}, {"uuid": "b8e04819-5ef6-458d-8703-6a244926724f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-21191", "type": "seen", "source": "https://t.me/cibsecurity/24954", "content": "\u203c CVE-2021-21191 \u203c\n\nUse after free in WebRTC in Google Chrome prior to 89.0.4389.90 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-03-16T17:30:07.000000Z"}, {"uuid": "f2abd75d-1b32-4484-9a8b-6504b9a87b8f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-21191", "type": "exploited", "source": "https://t.me/hacking_Attack/1241", "content": "", "creation_timestamp": "2026-09-08T13:00:03.862422Z"}, {"uuid": "4155084f-6978-4b37-89dd-03bd51f3b250", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-21191", "type": "seen", "source": "https://t.me/hacking_Attack/1241", "content": "", "creation_timestamp": "2026-09-01T20:02:50.765013Z"}]}