CVE-2017-5581

tigervnc: Buffer overflow in ModifiablePixelBuffer::fillRect

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Severity

Low

Red Hat Product Security

3.1

CVSS 3.0

Review impact separately from score.

Published · January 13, 2017

Updated · May 13, 2026

Description

A buffer overflow flaw, leading to memory corruption, was found in TigerVNC viewer. A remote malicious VNC server could use this flaw to crash the client vncviewer process resulting in 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 3.0 · 3.1
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer