CVE-2006-1652

CriticalCVSS 9.0/10Last modified Jun 16, 2026

Description

Multiple buffer overflows in (a) UltraVNC (aka Ultr@VNC) 1.0.1 and earlier and (b) tabbed_viewer 1.29 (1) allow user-assisted remote attackers to execute arbitrary code via a malicious server that sends a long string to a client that connects on TCP port 5900, which triggers an overflow in Log::ReallyPrint; and (2) allow remote attackers to cause a denial of service (server crash) via a long HTTP GET request to TCP port 5800, which triggers an overflow in VNCLog::ReallyPrint.

Metrics

CVSS 2.0 9.0/10AV:N/AC:L/Au:S/C:C/I:C/A:C

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Apr 6, 2006
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2006-1652: Critical severity, CVSS 9.0 | Vulnix