VULNERABILITY INTELLIGENCE

CVE-2019-8265

CVSS score9.8 CRITICAL
EPSS probability3.14%
CISA KEVNot currently listed
Published2019-03-08
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

UltraVNC revision 1207 has multiple out-of-bounds access vulnerabilities connected with improper usage of SETPIXELS macro in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1208.

Weakness classification

  • CWE-125: Out-of-bounds Read
  • CWE-787: Out-of-bounds Write
  • CWE-788: Access of Memory Location After End of Buffer

Primary references