Buffer overflow in Libvnc_project Libvncserver
CVE-2018-20019
LibVNC before commit a83439b9fbe0f03c48eb94ed05729cb016f8b72f contains multiple heap out-of-bound write vulnerabilities in VNC client code that can result remote code execution
Vulnerability class: Buffer Overflow
EPSS: 0.094 (94.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- vulnerability@kaspersky.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- vulnerability@kaspersky.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- vulnerability@kaspersky.com (x_refsource_MISC, Broken Link)
- vulnerability@kaspersky.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- vulnerability@kaspersky.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- vulnerability@kaspersky.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- vulnerability@kaspersky.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- vulnerability@kaspersky.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- vulnerability@kaspersky.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-20019?
- CVE-2018-20019 is a critical-severity vulnerability in Libvnc_project Libvncserver, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2018-12-19.
- How severe is CVE-2018-20019?
- Critical severity. CVSS v3 base score is 9.8 out of 10.