# CVE-2018-3291: virtualbox: Vulnerability in the Oracle VM VirtualBox component of Oracle Virtualization (subcomponent: Core)

CVE-2018-3291 is fixed in 8 products on 1 platform, first by virtualbox 6.1.16-dfsg-6~ubuntu1.20.04.1, released January 16, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-3291
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0072
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 16, 2018

## Description

Vulnerability in the Oracle VM VirtualBox component of Oracle Virtualization (subcomponent: Core). The supported version that is affected is Prior to 5.2.20. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.0 Base Score 8.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | virtualbox Ubuntu 20.04 LTS (focal) | 6.1.16-dfsg-6~ubuntu1.20.04.1 | [virtualbox 6.1.16-dfsg-6~ubuntu1.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-virtualbox-6.1.16-dfsg-6-ubuntu1.20.04.1.md) | Jan 16, 2025 |
| Linux | virtualbox-dkms Ubuntu 20.04 LTS (focal) | 6.1.16-dfsg-6~ubuntu1.20.04.1 | [virtualbox-dkms 6.1.16-dfsg-6~ubuntu1.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-virtualbox-dkms-6.1.16-dfsg-6-ubuntu1.20.04.1.md) | Jan 16, 2025 |
| Linux | virtualbox-guest-dkms Ubuntu 20.04 LTS (focal) | 6.1.16-dfsg-6~ubuntu1.20.04.1 | [virtualbox-guest-dkms 6.1.16-dfsg-6~ubuntu1.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-virtualbox-guest-dkms-6.1.16-dfsg-6-ubuntu1.20.04.1.md) | Jan 16, 2025 |
| Linux | virtualbox-guest-source Ubuntu 20.04 LTS (focal) | 6.1.16-dfsg-6~ubuntu1.20.04.1 | [virtualbox-guest-source 6.1.16-dfsg-6~ubuntu1.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-virtualbox-guest-source-6.1.16-dfsg-6-ubuntu1.20.04.1.md) | Jan 16, 2025 |
| Linux | virtualbox-guest-utils Ubuntu 20.04 LTS (focal) | 6.1.16-dfsg-6~ubuntu1.20.04.1 | [virtualbox-guest-utils 6.1.16-dfsg-6~ubuntu1.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-virtualbox-guest-utils-6.1.16-dfsg-6-ubuntu1.20.04.1.md) | Jan 16, 2025 |
| Linux | virtualbox-guest-x11 Ubuntu 20.04 LTS (focal) | 6.1.16-dfsg-6~ubuntu1.20.04.1 | [virtualbox-guest-x11 6.1.16-dfsg-6~ubuntu1.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-virtualbox-guest-x11-6.1.16-dfsg-6-ubuntu1.20.04.1.md) | Jan 16, 2025 |
| Linux | virtualbox-qt Ubuntu 20.04 LTS (focal) | 6.1.16-dfsg-6~ubuntu1.20.04.1 | [virtualbox-qt 6.1.16-dfsg-6~ubuntu1.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-virtualbox-qt-6.1.16-dfsg-6-ubuntu1.20.04.1.md) | Jan 16, 2025 |
| Linux | virtualbox-source Ubuntu 20.04 LTS (focal) | 6.1.16-dfsg-6~ubuntu1.20.04.1 | [virtualbox-source 6.1.16-dfsg-6~ubuntu1.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-virtualbox-source-6.1.16-dfsg-6-ubuntu1.20.04.1.md) | Jan 16, 2025 |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo