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CVE Vendors Products Updated CVSS v3.1
CVE-2019-25600 1 Uvnc 1 Ultravnc Viewer 2026-03-23 6.5 Medium
UltraVNC Viewer 1.2.2.4 contains a denial of service vulnerability that allows attackers to crash the application by supplying an oversized string to the VNC Server input field. Attackers can paste a malicious string containing 256 repeated characters into the VNC Server field and click Connect to trigger a buffer overflow that crashes the viewer.