USN-3877-1: LibVNCServer vulnerabilities

Published Jan 31, 2019
·
Updated

It was discovered that LibVNCServer incorrectly handled certain operations. A remote attacker able to connect to applications using LibVNCServer could possibly use this issue to obtain sensitive information, cause a denial of service, or execute arbitrary code.

Affected Software

1 affected component
LibVNCServer LibVNCServer

Event History

May 10, 2025
Advisory Published
via Ubuntu·04:01 AM
Data Sourced
via Ubuntu·04:01 AM
DescriptionAffected Software

Frequently Asked Questions

1

What is the vulnerability ID for the LibVNCServer vulnerabilities?

The vulnerability ID for the LibVNCServer vulnerabilities is USN-3877-1.

2

What is the impact of the LibVNCServer vulnerabilities?

The LibVNCServer vulnerabilities can allow a remote attacker to obtain sensitive information, cause a denial of service, or execute arbitrary code.

3

Which software versions are affected by the LibVNCServer vulnerabilities?

The LibVNCServer vulnerabilities affect libvncclient1, libvncserver1, and libvncserver0 versions 0.9.11+dfsg-1.1ubuntu0.1, 0.9.11+dfsg-1ubuntu1.1, 0.9.10+dfsg-3ubuntu0.16.04.3, and 0.9.9+dfsg-1ubuntu1.4 on Ubuntu 18.10, 18.04, 16.04, and 14.04.

4

How can a remote attacker exploit the LibVNCServer vulnerabilities?

A remote attacker able to connect to applications using LibVNCServer can exploit these vulnerabilities to perform various malicious activities.

5

How can I fix the LibVNCServer vulnerabilities?

To fix the LibVNCServer vulnerabilities, update the libvncclient1, libvncserver1, and libvncserver0 packages to the specified remedy versions for your Ubuntu version.

Contact

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