VULNERABILITY INTELLIGENCE

CVE-2016-9921

CVSS score6.5 MEDIUM
EPSS probability0.41%
CISA KEVNot currently listed
Published2016-12-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Description

Quick emulator (Qemu) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to a divide by zero issue. It could occur while copying VGA data when cirrus graphics mode was set to be VGA. A privileged user inside guest could use this flaw to crash the Qemu process instance on the host, resulting in DoS.

Weakness classification

  • CWE-369: Divide By Zero

Primary references