CVE-2017-7393
8.8
HIGH
CVSS 3.1
EPSS 0.41%
Description
In TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence), an authenticated client can cause a double free, leading to denial of service or potentially code execution.
How to fix CVE-2017-7393
To remediate CVE-2017-7393, upgrade the affected package to a fixed version below.
- Debian/tigervnc—upgrade to 1.7.0+dfsg-7 or later
Is CVE-2017-7393 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.7.0+dfsg-7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |