CVE-2018-14599
9.8
CRITICAL
CVSS 3.1
EPSS 3.1%
Description
An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact.
How to fix CVE-2018-14599
To remediate CVE-2018-14599, upgrade the affected package to a fixed version below.
- Alpine/libx11—upgrade to 1.6.6-r0 or later
- Debian/libx11—upgrade to 2:1.6.6-1 or later
Is CVE-2018-14599 being exploited?
Low — EPSS is 3.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.6.6-r0
- from 0, < 2:1.6.6-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |