CVE-2018-17962: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 4.5% chance of exploitation in the next 30 days.

Qemu has a Buffer Overflow in pcnet_receive in hw/net/pcnet.c because an incorrect integer data type is used.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only; version 18.10 only
• Debian Debian Linux: version 8.0 only; version 9.0 only
• Oracle Linux: version 7 only
• Qemu Qemu: version 2.1.0 only; version 2.8.0 only; version 2.12.0 only
• Red Hat Linux: version 6.0 only
• Suse Linux Enterprise Server: version 11 only; version 12 only; version 15 only

Published 2018-10-09. Last modified 2026-06-17.