CVE-2015-5261: Canonical Ubuntu Linux

High severity, CVSS 7.1. EPSS: 0.5% chance of exploitation in the next 30 days.

Heap-based buffer overflow in SPICE before 0.12.6 allows guest OS users to read and write to arbitrary memory locations on the host via guest QXL commands related to surface creation.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 15.04 only
• Debian Debian Linux: version 7.0 only; version 8.0 only
• Red Hat Enterprise Linux Desktop: version 6.0 only; version 7.0 only
• Red Hat Enterprise Linux Hpc Node: version 6.0 only; version 7.0 only
• Red Hat Enterprise Linux Hpc Node Eus: version 7.1 only
• Red Hat Enterprise Linux Server: version 6.0 only; version 7.0 only
• Red Hat Enterprise Linux Server Eus: version 6.7.z only; version 7.1 only
• Red Hat Enterprise Linux Workstation: version 6.0 only; version 7.0 only
• Spice Project Spice: up to and including 0.12.5

Published 2016-06-07. Last modified 2026-06-17.