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Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : ncurses vulnerability (USN-8709-1)

medium Nessus Plugin ID 365395

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8709-1 advisory.

 It was discovered that ncurses incorrectly handled specially crafted terminfo database entries. A local attacker could possibly use this issue to cause applications using ncurses to crash, resulting in a denial of service.

Tenable has extracted the preceding description block directly from the Ubuntu 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 affected packages.

See Also

https://ubuntu.com/security/notices/USN-8709-1

Plugin Details

Severity: Medium

ID: 365395

File Name: ubuntu_USN-8709-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/13/2026

Updated: 10/13/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Low

Base Score: 1.7

Temporal Score: 1.3

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

CVSS Score Source: CVE-2025-6141

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.9

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

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

CVSS v4

Risk Factor: Medium

Base Score: 4.8

Threat Score: 1.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:lib32ncurses5, p-cpe:/a:canonical:ubuntu_linux:lib32ncurses6, p-cpe:/a:canonical:ubuntu_linux:lib32ncursesw5, p-cpe:/a:canonical:ubuntu_linux:lib32ncursesw6, p-cpe:/a:canonical:ubuntu_linux:lib32tinfo5, p-cpe:/a:canonical:ubuntu_linux:lib32tinfo6, p-cpe:/a:canonical:ubuntu_linux:lib64ncurses5, p-cpe:/a:canonical:ubuntu_linux:lib64ncurses6, p-cpe:/a:canonical:ubuntu_linux:lib64ncursesw6, p-cpe:/a:canonical:ubuntu_linux:lib64tinfo5, p-cpe:/a:canonical:ubuntu_linux:lib64tinfo6, p-cpe:/a:canonical:ubuntu_linux:libncurses5, p-cpe:/a:canonical:ubuntu_linux:libncurses6, p-cpe:/a:canonical:ubuntu_linux:libncursesw5, p-cpe:/a:canonical:ubuntu_linux:libncursesw6, p-cpe:/a:canonical:ubuntu_linux:libtinfo5, p-cpe:/a:canonical:ubuntu_linux:libtinfo6, p-cpe:/a:canonical:ubuntu_linux:libx32ncurses5, p-cpe:/a:canonical:ubuntu_linux:libx32ncursesw5, p-cpe:/a:canonical:ubuntu_linux:libx32tinfo5, p-cpe:/a:canonical:ubuntu_linux:ncurses-base, p-cpe:/a:canonical:ubuntu_linux:ncurses-bin, p-cpe:/a:canonical:ubuntu_linux:ncurses-examples, p-cpe:/a:canonical:ubuntu_linux:ncurses-term

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Ease: No known exploits are available

Patch Publication Date: 9/1/2026

Vulnerability Publication Date: 6/16/2025

Reference Information

CVE: CVE-2025-6141

USN: 8709-1