CVE-2014-7815: Canonical Ubuntu Linux

Medium severity, CVSS 5.0. EPSS: 3.7% chance of exploitation in the next 30 days.

The set_pixel_format function in ui/vnc.c in QEMU allows remote attackers to cause a denial of service (crash) via a small bytes_per_pixel value.

Affected products

• Canonical Ubuntu Linux: version 10.04 only; version 12.04 only; version 14.04 only; version 14.10 only
• Debian Debian Linux: version 7.0 only
• Qemu Qemu: up to and including 2.1.3
• Red Hat Enterprise Linux Desktop: version 7.0 only
• Red Hat Enterprise Linux Eus: version 7.3 only; version 7.4 only; version 7.5 only; version 7.6 only; version 7.7 only
• Red Hat Enterprise Linux Server: version 7.0 only
• Red Hat Enterprise Linux Server Aus: version 7.3 only; version 7.4 only; version 7.6 only; version 7.7 only
• Red Hat Enterprise Linux Workstation: version 7.0 only
• Red Hat Virtualization: version 3.0 only
• Suse Linux Enterprise Desktop: version 12 only
• Suse Linux Enterprise Server: version 12 only

Published 2014-11-14. Last modified 2026-06-17.