Skip to content

Buffer Overflow vulnerability in tvnviewer.exe of...

Critical severity Unreviewed Published Nov 24, 2021 to the GitHub Advisory Database • Updated Feb 1, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

Buffer Overflow vulnerability in tvnviewer.exe of TightVNC Viewer allows a remote attacker to execute arbitrary instructions via a crafted FramebufferUpdate packet from a VNC server.

References

Published by the National Vulnerability Database Nov 23, 2021
Published to the GitHub Advisory Database Nov 24, 2021
Last updated Feb 1, 2023

Severity

Critical

EPSS score

0.634%
(79th percentile)

Weaknesses

CVE ID

CVE-2021-42785

GHSA ID

GHSA-7q87-cj95-29mc

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

Learn more about GitHub language support

Loading Checking history
See something to contribute? Suggest improvements for this vulnerability.