CVE-2017-13721
4.7
MEDIUM
CVSS 3.1
EPSS 0.08%
Description
In X.Org Server (aka xserver and xorg-server) before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session.
How to fix CVE-2017-13721
To remediate CVE-2017-13721, upgrade the affected package to a fixed version below.
- Alpine/xorg-server—upgrade to 1.19.5-r0 or later
- —upgrade to 2:1.19.4-1 or later
Is CVE-2017-13721 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.19.5-r0
- from 0, < 2:1.19.4-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.7 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |