CVE-2018-14598
HIGH7.5EPSS 3.0%libx11 - security update
Published: 8/24/2018Modified: 12/3/2025
Also known as:ALPINE-CVE-2018-14598DEBIAN-CVE-2018-14598
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).
Affected packages (3)
- Alpine/libx11from 0, < 1.6.6-r0
- Debian/libx11from 0, < 2:1.6.6-1
- Debian/libx11from 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 |