CVE-2018-20024

libvncserver: NULL pointer dereference in VNC client code allows for denial of service

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Severity

Low

Red Hat Product Security

6.5

CVSS 3.0

Review impact separately from score.

Published · December 19, 2018

Updated · November 22, 2025

Description

LibVNC before commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7 contains null pointer dereference in VNC client code that can result 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 · 6.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference