CVE-2018-21247
7.5
HIGH
CVSS 3.1
EPSS 1.5%
Description
An issue was discovered in LibVNCServer before 0.9.13. There is an information leak (of uninitialized memory contents) in the libvncclient/rfbproto.c ConnectToRFBRepeater function.
How to fix CVE-2018-21247
To remediate CVE-2018-21247, upgrade the affected package to a fixed version below.
- Debian/libvncserver—upgrade to 0.9.11+dfsg-1.2 or later
Is CVE-2018-21247 being exploited?
Low — EPSS is 1.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.9.11+dfsg-1.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |