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CVE-2024-21106: 
VirtualBox vulnerability analysis and mitigation

Overview

A vulnerability has been identified in Oracle VM VirtualBox (CVE-2024-21106) affecting versions prior to 7.0.16. This vulnerability was discovered by Reima Ishii of Graduate School of Information Science and Technology, The University of Tokyo (Oracle CPU).

Technical details

The vulnerability exists in the Core component of Oracle VM VirtualBox. It is characterized as an easily exploitable vulnerability that allows a low-privileged attacker with logon access to the infrastructure where Oracle VM VirtualBox executes to compromise the system. The vulnerability has been assigned a CVSS 3.1 Base Score of 6.5 with the vector string: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H (NVD).

Impact

Successful exploitation of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash, leading to a complete denial of service (DOS) of Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products due to scope change (Oracle CPU).

Exploitability

The vulnerability is considered easily exploitable and requires a low-privileged attacker to have logon access to the infrastructure where Oracle VM VirtualBox executes. No user interaction is required for exploitation (NVD).

Mitigation and workarounds

Oracle has released version 7.0.16 to address this vulnerability. Users are strongly advised to upgrade to this version to mitigate the risk. Oracle recommends that customers remain on actively-supported versions and apply Critical Patch Update security patches without delay (Oracle CPU).

Additional resources

Linux Distribution fix status

Fix availability across major Linux distributions and their releases.

Debian

Fixed

sid

virtualbox: 7.0.16-dfsg-1

Fixed

Source: This report was generated using AI

Related VirtualBox vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-87322NONEN/A
  • VirtualBox logoVirtualBox
  • cpe:2.3:a:oracle:vm_virtualbox
NoNoOct 20, 2026
CVE-2026-87311NONEN/A
  • VirtualBox logoVirtualBox
  • cpe:2.3:a:oracle:vm_virtualbox
NoNoOct 20, 2026
CVE-2026-87303NONEN/A
  • VirtualBox logoVirtualBox
  • cpe:2.3:a:oracle:vm_virtualbox
NoNoOct 20, 2026
CVE-2026-87301NONEN/A
  • VirtualBox logoVirtualBox
  • cpe:2.3:a:oracle:vm_virtualbox
NoNoOct 20, 2026
CVE-2026-101599NONEN/A
  • VirtualBox logoVirtualBox
  • cpe:2.3:a:oracle:vm_virtualbox
NoNoOct 20, 2026

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