VULNERABILITY INTELLIGENCE

CVE-2018-7858

CVSS score5.5 MEDIUM
EPSS probability0.61%
CISA KEVNot currently listed
Published2018-03-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.

Weakness classification

  • CWE-125: Out-of-bounds Read

Primary references