CVE-2018-20748
9.8
CRITICAL
CVSS 3.1
EPSS 10.6%
Description
LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities in libvncclient/rfbproto.c. The fix for CVE-2018-20019 was incomplete.
How to fix CVE-2018-20748
To remediate CVE-2018-20748, upgrade the affected package to a fixed version below.
- Debian/libvncserver—upgrade to 0.9.11+dfsg-1.3 or later
- Debian/veyon—upgrade to 4.1.7+repack1-1 or later
Is CVE-2018-20748 being exploited?
Moderate — EPSS is 10.6%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 0.9.11+dfsg-1.3
- from 0, < 4.1.7+repack1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |