VULNERABILITY INTELLIGENCE

CVE-2017-2620

CVSS score5.5 MEDIUM
EPSS probability3.56%
CISA KEVNot currently listed
Published2018-07-27
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L

Description

Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.

Weakness classification

  • CWE-125: Out-of-bounds Read
  • CWE-787: Out-of-bounds Write

Primary references