CVE-2018-14600
CRITICAL9.8EPSS 11.0%Published: 8/24/2018Modified: 4/28/2026
Description
An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c interprets a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution.
Affected packages (2)
- Alpine/libx11from 0, < 1.6.6-r0
- Debian/libx11from 0, < 2:1.6.6-1
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 |