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OpenAdvisories
High · 7.5 CVE-2020-37133 EUVD-2020-31031

UltraVNC Launcher 1.2.4.0 - 'RepeaterHost' Denial of Service

Published Feb 5, 2026 · Updated Feb 5, 2026 · Assigned by VulnCheck

Description

UltraVNC Launcher 1.2.4.0 contains a denial of service vulnerability in the Repeater Host configuration field that allows attackers to crash the application. Attackers can paste an overly long string of 300 characters into the Repeater Host property to trigger an application crash.

Affected products

VendorProductAffectedFixed
UltraVNC Team UltraVNC Launcher 1.2.4.0 —

References