RHEL 9 : xterm (RHSA-2026:92418)

critical Nessus Plugin ID 373967

Synopsis

The remote Red Hat host is missing a security update for xterm.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:92418 advisory.

The xterm program is a terminal emulator for the X Window System. It provides DEC VT102 and Tektronix 4014 compatible terminals for programs that can't use the window system directly.

Security Fix(es):

* xterm: code execution via OSC 50 input sequences (CVE-2022-45063)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL xterm package based on the guidance in RHSA-2026:92418.

See Also

https://access.redhat.com/errata/RHSA-2026:92418

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=2142474

http://www.nessus.org/u?e5fa6c1b

Plugin Details

Severity: Critical

ID: 373967

File Name: redhat-RHSA-2026-92418.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/30/2026

Updated: 10/30/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.88

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2022-45063

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_e4s:9.4, p-cpe:/a:redhat:enterprise_linux:xterm-resize, p-cpe:/a:redhat:enterprise_linux:xterm

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/29/2026

Vulnerability Publication Date: 11/10/2022

Reference Information

CVE: CVE-2022-45063

CWE: 94

RHSA: 2026:92418