7.5
CVSSv2

CVE-2019-8266

Published: 08/03/2019 Updated: 12/06/2020
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

UltraVNC revision 1207 has multiple out-of-bounds access vulnerabilities connected with improper usage of ClientConnection::Copybuffer function in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. User interaction is required to trigger these vulnerabilities. These vulnerabilities have been fixed in revision 1208.

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