Detections
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Alpine: multiple xorg-server packages: security update to 21.1.7-r0

high Tenable Cloud Security Plugin ID 427692

Description

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

 - A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses
 that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed
 memory. This can lead to local privilege elevation on systems where the X server runs privileged and
 remote code execution for ssh X forwarding sessions. (CVE-2023-0494)

See Also

https://security.alpinelinux.org/vuln/CVE-2023-0494

Plugin Details

Severity: High

ID: 427692

Version: Revision 1.6

Type: Local

Published: 5/16/2025

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.96

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2023-0494

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/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

Vulnerability Publication Date: 2/7/2023

Reference Information

CVE: CVE-2023-0494