CVE-2017-2633

Qemu: VNC: memory corruption due to unchecked resolution limit

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Severity

Moderate

Red Hat Product Security

5.4

CVSS 3.0

Review impact separately from score.

Published · December 1, 2016

Updated · June 30, 2026

Description

An out-of-bounds memory access issue was found in Quick Emulator (QEMU) in the VNC display driver. This flaw could occur while refreshing the VNC display surface area in the 'vnc_refresh_server_surface'. A user inside a guest could use this flaw to crash the QEMU process.

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 · 5.4
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L

CVSS 2.0 · 3.8
AV:A/AC:M/Au:S/C:N/I:P/A:P

CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')