VULNERABILITY INTELLIGENCE

CVE-2018-7225

CVSS score9.8 CRITICAL
EPSS probability6.11%
CISA KEVNot currently listed
Published2018-02-19
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

An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in rfbserver.c does not sanitize msg.cct.length, leading to access to uninitialized and potentially sensitive data or possibly unspecified other impact (e.g., an integer overflow) via specially crafted VNC packets.

Weakness classification

  • CWE-190: Integer Overflow or Wraparound

Primary references