Detections
Analytics

MiracleLinux 8 : dnsmasq-2.79-36.el8_10 (AXSA:2026-741:05)

high Nessus Plugin ID 318123

Synopsis

The remote MiracleLinux host is missing one or more security updates.

Description

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-741:05 advisory.

 * dnsmasq: dnsmasq: heap buffer overflow in cache via NAME_ESCAPE expansion (CVE-2026-2291)
 * dnsmasq: NSEC bitmap parsing infinite loop (CVE-2026-4890)
 * dnsmasq: RRSIG rdlen underflow leading to heap OOB read (CVE-2026-4891)
 * dnsmasq: DHCPv6 CLID buffer overflow in helper process (CVE-2026-4892)
 * dnsmasq: Broken ECS source validation bypass (CVE-2026-4893)

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

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

Solution

Update the affected dnsmasq and / or dnsmasq-utils packages.

See Also

https://tsn.miraclelinux.com/en/node/23566

Plugin Details

Severity: High

ID: 318123

File Name: miracle_linux_AXSA-2026-741.nasl

Version: 1.1

Type: Local

Published: 6/1/2026

Updated: 6/1/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.5

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

CVSS Score Source: CVE-2026-4892

CVSS v3

Risk Factor: High

Base Score: 8.4

Temporal Score: 7.6

Vector: CVSS:3.0/AV:L/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: p-cpe:/a:miracle:linux:dnsmasq-utils, p-cpe:/a:miracle:linux:dnsmasq, cpe:/o:miracle:linux:8

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/1/2026

Vulnerability Publication Date: 5/11/2026

Reference Information

CVE: CVE-2026-2291, CVE-2026-4890, CVE-2026-4891, CVE-2026-4892, CVE-2026-4893