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Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.04 / 25.10 : Net-SNMP vulnerability (USN-7944-1)

critical Nessus Plugin ID 282466

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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 / 25.04 / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-7944-1 advisory.

 Bahae Bahrini discovered that Net-SNMP could be made to write out of

 bounds. If a user or an automated system were tricked into opening a

 specially crafted input file, a remote attacker could possibly use

 this issue to cause 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-7944-1

Plugin Details

Severity: Critical

ID: 282466

File Name: ubuntu_USN-7944-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 1/8/2026

Updated: 1/9/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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-2025-68615

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:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libnetsnmptrapd40t64, cpe:/o:canonical:ubuntu_linux:25.10, p-cpe:/a:canonical:ubuntu_linux:snmpd, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:python-netsnmp, p-cpe:/a:canonical:ubuntu_linux:libsnmp-base, p-cpe:/a:canonical:ubuntu_linux:snmptrapd, p-cpe:/a:canonical:ubuntu_linux:libsnmp35, p-cpe:/a:canonical:ubuntu_linux:libsnmp30, p-cpe:/a:canonical:ubuntu_linux:libsnmp-perl, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libsnmp40, p-cpe:/a:canonical:ubuntu_linux:libsnmp40t64, cpe:/o:canonical:ubuntu_linux:25.04, p-cpe:/a:canonical:ubuntu_linux:libsnmp-dev, p-cpe:/a:canonical:ubuntu_linux:snmp, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libnetsnmptrapd40, p-cpe:/a:canonical:ubuntu_linux:tkmib, cpe:/o:canonical:ubuntu_linux:22.04:-:lts

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/7/2026

Vulnerability Publication Date: 12/22/2025

Reference Information

CVE: CVE-2025-68615

IAVA: 2026-A-0019

USN: 7944-1