Description
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are Prior to 6.1.44 and Prior to 7.0.8. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Oracle | VM VirtualBox | < 6.1.44, < 7.0.8 | 6.1.44 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | virtualbox | No fix yet | — |
| Ubuntu 22.04 LTS | virtualbox | No fix yet | — |
| Ubuntu 20.04 LTS | virtualbox | No fix yet | — |
| Ubuntu 18.04 LTS | virtualbox | No fix yet | — |
| Ubuntu 16.04 LTS | virtualbox | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | virtualbox | 7.0.8-1.1 | openSUSE-SU-2024:12912-1 |
| openSUSE Leap 15.4 | virtualbox | 7.0.8-lp154.2.32.2 | openSUSE-SU-2023:0166-1 |
| openSUSE Leap 15.4 | virtualbox-kmp | 7.0.8-lp154.2.32.1 | openSUSE-SU-2023:0166-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 2 repositories
-
chunzhennn/cve-2023-21987-poc ★ 1 · Sep 24, 2024
Oracle VirtualBox VGA OOB-Read Vulnerability
-
minq0x1412/CVE-2023-21987-and-CVE-2023-21991 ★ 0 · Jun 18, 2026
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 3
- openSUSE-SU-2024:12912-1 python3-virtualbox-7.0.8-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2023:0166-1 Security update for virtualbox SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-1026 Oracle Virtualization: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 18, 2023
References
- Oracle Advisory vendor-advisory