{"vulnerability": "CVE-2020-12387", "sightings": [{"uuid": "2a1dafd1-75ec-43a7-afa7-524b1eb5e92b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2020-12387", "type": "seen", "source": "https://t.me/cibsecurity/12315", "content": "ATENTION\u203c New - CVE-2020-12387\n\nA race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR &lt; 68.8, Firefox &lt; 76, and Thunderbird &lt; 68.8.0.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2020-05-27T08:55:24.000000Z"}]}