VULNERABILITY INTELLIGENCE

CVE-2019-8277

CVSS score7.5 HIGH
EPSS probability2.97%
CISA KEVNot currently listed
Published2019-03-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

UltraVNC revision 1211 contains multiple memory leaks (CWE-665) in VNC server code, which allows an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.

Weakness classification

  • CWE-665: Improper Initialization

Primary references