CVE-2016-4002: Canonical Ubuntu Linux

Critical severity, CVSS 9.8. EPSS: 6.3% chance of exploitation in the next 30 days.

Buffer overflow in the mipsnet_receive function in hw/net/mipsnet.c in QEMU, when the guest NIC is configured to accept large packets, allows remote attackers to cause a denial of service (memory corruption and QEMU crash) or possibly execute arbitrary code via a packet larger than 1514 bytes.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 15.10 only; version 16.04 only
• Debian Debian Linux: version 8.0 only
• Fedoraproject Fedora: version 22 only; version 23 only; version 24 only
• Qemu Qemu: up to and including 2.6.2

Published 2016-04-26. Last modified 2026-06-17.