Description

UltraVNC Launcher 1.2.2.4 contains a buffer overflow vulnerability in the Path vncviewer.exe property field that allows local attackers to crash the application by supplying an excessively long string. Attackers can input a 300-byte payload of repeated characters through the Properties dialog to trigger a denial of service condition.

INFO

Published Date :

2026-03-22T13:38:37.511Z

Last Modified :

2026-03-23T16:16:48.472Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2019-25601 vulnerability.

Vendors Products
Uvnc
  • Ultravnc Launcher
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2019-25601.

URL Resource
https://www.exploit-db.com/exploits/46703 cve-icon cve-icon
https://www.uvnc.com/ cve-icon cve-icon
https://www.uvnc.com/downloads/ultravnc/126-download-ultravnc-1224.html cve-icon cve-icon
https://www.vulncheck.com/advisories/ultravnc-launcher-denial-of-service-buffer-overflow cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact