CVE-2020-14398

libvncserver: an improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · June 17, 2020

Updated · November 22, 2025

Description

An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c.

Statement

This flaw does not affect versions of vino shipped with Red Hat Enterprise Linux 6, 7, or 8 because libvncclient is not included in the package.

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 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')