Oracle VM VirtualBox is an open-source and cross-platform hypervisor and desktop virtualization software that enables users to run multiple guest operating systems on a single physical machine. A vulnerability (CVE-2021-2442) affecting Oracle VM VirtualBox could be potentially exploited by a high privileged attacker to compromise the hypervisor and cause a denial-of-service (DoS) condition. The vulnerability was rated 3.1 on the CVSS scale.

Source: oracle.com