Oracle VM VirtualBox before 7.2.8 allows guest OS users to cause an out-of-bounds write in the host OS in pcnetReceiveNoSync in DevPCNet.cpp in the PCNet (Am79C970A) network device model.
History

Wed, 07 Oct 2026 09:30:00 +0000

Type Values Removed Values Added
First Time appeared Oracle
Oracle virtualbox
Vendors & Products Oracle
Oracle virtualbox

Wed, 07 Oct 2026 07:00:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Write in VirtualBox PCNet Network Device Model

Tue, 06 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-787
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H'}


Tue, 06 Oct 2026 14:00:00 +0000

Type Values Removed Values Added
Description Oracle VM VirtualBox before 7.2.8 allows guest OS users to cause an out-of-bounds write in the host OS in pcnetReceiveNoSync in DevPCNet.cpp in the PCNet (Am79C970A) network device model.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-10-06T00:00:00.000Z

Updated: 2026-10-06T17:33:11.378Z

Reserved: 2026-08-20T00:00:00.000Z

Link: CVE-2026-77178

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-06T14:17:46.250

Modified: 2026-10-06T18:16:55.970

Link: CVE-2026-77178

cve-icon Redhat

No data.