CVE-2019-25601

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.

CVSS v3 6.2 MEDIUM

6.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.exploit-db.com/exploits/46703
https://www.uvnc.com/
https://www.uvnc.com/downloads/ultravnc/126-download-ultravnc-1224.html
https://www.vulncheck.com/advisories/ultravnc-launcher-denial-of-service-buffer-overflow

Configurations

No configuration.

History

No history.

Information

Published : 2026-03-22 14:16

Updated : 2026-03-23 14:31

NVD link : CVE-2019-25601

Mitre link : CVE-2019-25601

CVE.ORG link : CVE-2019-25601

JSON object : View

Products Affected

No product.

CWE

CWE-787

Out-of-bounds Write

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