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CVE-2014-6053

5.0 · MEDIUM
Published Dec 15, 2014 libvncserver CWE-19 EPSS 7.25% (94th pctl)

Overview

CVE-2014-6053 is a medium-severity vulnerability affecting libvncserver libvncserver. It was published on December 15, 2014 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier does not properly handle attempts to send a large amount of ClientCutText data, which allows remote attackers to cause a denial of service (memory consumption or daemon crash) via a crafted message that is processed by using a single unchecked malloc.

Remediation

Check the references section for vendor advisories and patches from libvncserver. Update libvncserver to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
libvncserver libvncserver 0 Affected

Frequently Asked Questions

What is CVE-2014-6053?

CVE-2014-6053 is a medium-severity vulnerability affecting libvncserver libvncserver. It was published on December 15, 2014 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2014-6053?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2014-6053?

Check the references section for vendor advisories and patches from libvncserver. Update libvncserver to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2014-6053?

CyberStrike's AI-powered security agents can automatically detect CVE-2014-6053 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.