{"id":"CVE-2026-77178","title":"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.","summary":"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.","severity":"none","published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T16:00:36.547","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-77178","references":[{"url":"https://gist.github.com/entropy1337/cd0d5b368445d20c43aca2590b313892","label":"cve@mitre.org"},{"url":"https://www.oracle.com/","label":"cve@mitre.org"},{"url":"https://www.virtualbox.org/wiki/Download_Old_Builds_7_0","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-06T14:00:19.140Z","slug":"CVE-2026-77178","body":"## Overview\n\nOracle 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}