RHEL 10 : ncurses (RHSA-2026:26357)

high Nessus Plugin ID 321234

Synopsis

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

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26357 advisory.

The ncurses (new curses) library routines are a terminal-independent method of updating character screens with reasonable optimization. The ncurses packages contain support utilities including a terminfo compiler tic, a decompiler infocmp, clear, tput, tset, and a termcap conversion tool captoinfo.

Security Fix(es):

* ncurses: ncurses: Buffer overflow vulnerability may lead to arbitrary code execution. (CVE-2025-69720)

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 ncurses package based on the guidance in RHSA-2026:26357.

Plugin Details

Severity: High

ID: 321234

File Name: redhat-RHSA-2026-26357.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 6/16/2026

Updated: 6/16/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2025-69720

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/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:enterprise_linux_eus:10.0, p-cpe:/a:redhat:enterprise_linux:ncurses-libs, p-cpe:/a:redhat:enterprise_linux:ncurses-base, p-cpe:/a:redhat:enterprise_linux:ncurses-c%2b%2b-libs, p-cpe:/a:redhat:enterprise_linux:ncurses-term, p-cpe:/a:redhat:enterprise_linux:ncurses, p-cpe:/a:redhat:enterprise_linux:ncurses-devel, cpe:/o:redhat:enterprise_linux:10

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: 6/16/2026

Vulnerability Publication Date: 3/10/2026

Reference Information

CVE: CVE-2025-69720

CWE: 120

RHSA: 2026:26357

Detections

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