Amazon Linux 2 : dnsmasq, --advisory ALAS2DNSMASQ-2026-003 (ALASDNSMASQ-2026-003)

high Nessus Plugin ID 314559

Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of dnsmasq installed on the remote host is prior to 2.90-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2DNSMASQ-2026-003 advisory.

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

Solution

Run 'yum update dnsmasq' or or 'yum update --advisory ALAS2DNSMASQ-2026-003' to update your system.

See Also

https://alas.aws.amazon.com/faqs.html

https://alas.aws.amazon.com//AL2/ALAS2DNSMASQ-2026-003.html

Plugin Details

Severity: High

ID: 314559

File Name: al2_ALASDNSMASQ-2026-003.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/14/2026

Updated: 5/14/2026

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:dnsmasq, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:dnsmasq-debuginfo, p-cpe:/a:amazon:linux:dnsmasq-utils

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/14/2026

Vulnerability Publication Date: 5/14/2026