CVE-2018-5683
Qemu: Out-of-bounds read in vga_draw_text routine
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · December 25, 2017
Updated · June 28, 2026
Description
An out-of-bounds read access issue was found in the VGA emulator of QEMU. It could occur in vga_draw_text routine, while updating display area for a vnc client. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 3CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L
CVSS 2.0 · 2.3AV:A/AC:M/Au:S/C:N/I:N/A:P
CWE-125 · Out-of-bounds Read