Detections
Analytics

Echo: libx11: security update to 2:1.8.12-1+e1

high Tenable Self-Hosted Container Security Plugin ID 460146

Description

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

 - A malicious X server could exploit a buffer overflow in libX11 before 1.8.14 during handling of XkbGetMap
 overflowing the key_sym_map. (CVE-2026-88806)

Solution

Update the libx11 library and its related packages to version 2:1.8.12-1+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-88806

Plugin Details

Severity: High

ID: 460146

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.37

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

CVSS Score Source: CVE-2026-88806

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/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: 9/22/2026

Vulnerability Publication Date: 9/21/2026

Reference Information

CVE: CVE-2026-88806