CVE-2017-12178
9.8
CRITICAL
CVSS 3.1
EPSS 0.50%
Description
xorg-x11-server before 1.19.5 had wrong extra length check in ProcXIChangeHierarchy function allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
How to fix CVE-2017-12178
To remediate CVE-2017-12178, upgrade the affected package to a fixed version below.
- Alpine/xorg-server—upgrade to 1.19.5-r0 or later
- Debian/xorg-server—upgrade to 2:1.19.5-1 or later
Is CVE-2017-12178 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.19.5-r0
- from 0, < 2:1.19.5-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |