{"vulnerability": "CVE-2023-1393", "sightings": [{"uuid": "f1c28f7a-bc0d-4ef1-9846-4e3e9a0be703", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "c933734a-9be8-4142-889e-26e95c752803", "vulnerability": "CVE-2023-1393", "type": "seen", "source": "https://vulnerability.circl.lu/bundle/bbcbc485-b88d-4831-b8e9-6e37e7bd9875", "content": "", "creation_timestamp": "2026-01-21T21:18:16.771453Z"}, {"uuid": "1313dd13-0d0f-4ac7-908a-c8bfe461c8a0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-1393", "type": "seen", "source": "https://t.me/cibsecurity/61207", "content": "\u203c CVE-2023-1393 \u203c\n\nA flaw was found in X.Org Server Overlay Window. A Use-After-Free may lead to local privilege escalation. If a client explicitly destroys the compositor overlay window (aka COW), the Xserver would leave a dangling pointer to that window in the CompScreen structure, which will trigger a use-after-free later.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2023-03-31T00:31:47.000000Z"}]}