CVE-2019-8264

CRITICAL

Uvnc Ultravnc < 1.2.2.3 - Out-of-Bounds Write

Title source: rule
STIX 2.1

Description

UltraVNC revision 1203 has out-of-bounds access vulnerability in VNC client inside Ultra2 decoder, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1204.

Scores

CVSS v3 9.8
EPSS 0.0164
EPSS Percentile 82.0%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-125 CWE-787 CWE-788
Status published
Products (1)
uvnc/ultravnc < 1.2.2.3
Published Mar 08, 2019
Tracked Since Feb 18, 2026