Echo: libxtst: security update to 2:1.2.5-1+e1

high Tenable Cloud Security Plugin ID 473259

Description

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

- An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by malicious
X servers to crash attached X clients. (CVE-2026-94286)

Solution

Update the libxtst library and its related packages to version 2:1.2.5-1+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-94286

Plugin Details

Severity: High

ID: 473259

Version: Revision 1.1

Type: Local

Published: 10/6/2026

Updated: 10/6/2026

Risk Information

VPR

Risk Factor: Low

Score: 3.5

Percentile: 51.45

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2026-94286

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/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-2026-94286