CVE-2018-14598
libx11 - security update
7.5
HIGH
CVSS 3.1
EPSS 3.0%
Description
An issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault).
How to fix CVE-2018-14598
To remediate CVE-2018-14598, upgrade the affected package to a fixed version below.
- Alpine/libx11—upgrade to 1.6.6-r0 or later
- —upgrade to 2:1.6.6-1 or later
- —upgrade to 2:1.6.2-3+deb8u2 or later
Is CVE-2018-14598 being exploited?
Low — EPSS is 3.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.6.6-r0
- from 0, < 2:1.6.6-1
- from 0, < 2:1.6.2-3+deb8u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |