CVE-2020-29260

libvncserver: a memory leak via the function rfbClientCleanup() may lead to a DoS

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · September 3, 2022

Updated · November 22, 2025

Description

A flaw was found in the libvncserver library. A memory leak in the rfbClientCleanup() function may allow a remote attacker to cause a denial of service.

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-401 · Missing Release of Memory after Effective Lifetime