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Vulnerabilities ›

CVE-2019-25601

Medium

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

CWE-787 — Weakness Type

                    Published: Mar 22, 2026                      ·  Modified: Mar 24, 2026                      ·  Source: NVD                

CVSS v3

6.2

🔗 NVD Official

📄 Description (English)

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.

🤖

Queued for AI Analysis

This CVE will be auto-analyzed on the next cron run.

🔗 References & Sources 4

https://www.exploit-db.com/exploits/46703

disclosure@vulncheck.com

https://www.uvnc.com/

disclosure@vulncheck.com

https://www.uvnc.com/downloads/ultravnc/126-download-ultravnc-1224.html

disclosure@vulncheck.com

https://www.vulncheck.com/advisories/ultravnc-launcher-denial-of-service-buffer-overflow

disclosure@vulncheck.com

📊 CVSS Score

6.2

/ 10.0 — Medium

📊 CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorL — Low / Local

Attack ComplexityL — Low / Local

Privileges RequiredN — None / Network

User InteractionN — None / Network

ScopeU — Unchanged

ConfidentialityN — None / Network

IntegrityN — None / Network

AvailabilityH — High

📋 Quick Facts

Severity Medium

CVSS Score6.2

CWECWE-787

Exploit No

Patch ✗ No

Published 2026-03-22

Source Feed nvd

🏷️ Tags

CWE-787

⚡ Actions

🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details

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