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CVE-2019-20788

libvncserver: integer overflow and heap-based buffer overflow in libvncclient/cursor.c in HandleCursorShape function

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Severity

Unknown

Red Hat Product Security

0

CVSS 3.1

Review impact separately from score.

Published · November 17, 2019

Updated · June 27, 2026

Description

A flaw was found in libvncserver in versions through 0.9.12. A large height or width value may cause an integer overflow or a heap-based buffer overflow. The highest threat from this vulnerability is to system availability.

Statement

This flaw was found to be a duplicate of CVE-2019-15690. Please see https://access.redhat.com/security/cve/CVE-2019-15690 for information about affected products and security errata.

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 · 0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N

CWE-190 · Integer Overflow or Wraparound