VULNERABILITY INTELLIGENCE
CVE-2019-8262
CVSS score9.8 CRITICAL
EPSS probability4.84%
CISA KEVNot currently listed
Published2019-03-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
UltraVNC revision 1203 has multiple heap buffer overflow vulnerabilities in VNC client code inside Ultra decoder, which results in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1204.
Weakness classification
- CWE-122: Heap-based Buffer Overflow
- CWE-787: Out-of-bounds Write
Primary references
- vulnerability@kaspersky.com
- vulnerability@kaspersky.com — Third Party Advisory
- vulnerability@kaspersky.com
- vulnerability@kaspersky.com — Third Party Advisory
- vulnerability@kaspersky.com
- vulnerability@kaspersky.com — Third Party Advisory, US Government Resource
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource