CVE-2024-21263 Denial of service in Oracle VM VirtualBox

Medium 6.1 Published 15 Oct 2024 Updated 26 Aug 2025

A local attacker can cause a complete denial of service and read sensitive data in Oracle VM VirtualBox.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2024-21263?

CVE-2024-21263 is a medium-severity denial of service vulnerability in Oracle Vm Virtualbox, published on 15 Oct 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are Prior to 7.0.22 and prior to 7.1.2. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox and unauthorized read access to a subset of Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H).

Which versions are affected by CVE-2024-21263?

It affects 1 product.

Products include Oracle Vm Virtualbox.

How do I fix CVE-2024-21263?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2024-21263 being exploited?

There is no known exploitation of CVE-2024-21263 in the wild and no public exploit code.

All Oracle Vm Virtualbox vulnerabilities

Sources

Also known as GHSA-2grc-rqmm-2cj8, UBUNTU-CVE-2024-21263.