CVE-2009-0388

CriticalCVSS 10.0/10Last modified Jun 16, 2026

Description

Multiple integer signedness errors in (1) UltraVNC 1.0.2 and 1.0.5 and (2) TightVnc 1.3.9 allow remote VNC servers to cause a denial of service (heap corruption and application crash) or possibly execute arbitrary code via a large length value in a message, related to the (a) ClientConnection::CheckBufferSize and (b) ClientConnection::CheckFileZipBufferSize functions in ClientConnection.cpp.

Metrics

CVSS 2.0 10.0/10AV:N/AC:L/Au:N/C:C/I:C/A:C

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 4, 2009
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2009-0388: Critical severity, CVSS 10.0 | Vulnix