Echo: libx11: security update to 2:1.8.12-1+e2

medium Tenable Self-Hosted Container Security Plugin ID 465564

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- An out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser in libX11 before
1.8.14 could be used by malicious X servers to crash attached X clients. (CVE-2026-94283)

Solution

Update the libx11 library and its related packages to version 2:1.8.12-1+e2 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-94283

Plugin Details

Severity: Medium

ID: 465564

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.66

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2026-94283

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/29/2026

Vulnerability Publication Date: 9/28/2026

Reference Information

CVE: CVE-2026-94283