CVE-2026-94284
Published: September 29, 2026Last modified: October 23, 2026
Description
An out-of-bounds read vulnerability in libX11's XIM trigger-key registration parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | libx11 | Unknown (1.8.2-r0) |
| 25 LTS | libx11 | Unknown (1.8.11-r0) | |
| Stream | libx11 | Fixed (1.8.14-r0) | |
| Hardened Containers | 23 LTS | libx11 | Unknown (1.8.2-r0) |
| 25 LTS | libx11 | Unknown (1.8.11-r0) | |
| Stream | libx11 | Unknown (1.8.2-r0) |