Fedora 43 : dnsmasq (2026-6384a3cf14)

high Nessus Plugin ID 315523

Synopsis

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

Description

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-6384a3cf14 advisory.

# Update to 2.92rel2

## 2.92 point release incorporating fixes for:

- CVE-2026-2291
- CVE-2026-4890
- CVE-2026-4891
- CVE-2026-4892
- CVE-2026-4893
- CVE-2026-5172

https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2026q2/018471.html

Tenable has extracted the preceding description block directly from the Fedora 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 package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-6384a3cf14

Plugin Details

Severity: High

ID: 315523

File Name: fedora_2026-6384a3cf14.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/19/2026

Updated: 5/19/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-6507

CVSS v3

Risk Factor: High

Base Score: 8.4

Temporal Score: 7.3

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:U/RL:O/RC:C

CVSS Score Source: CVE-2026-4892

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:dnsmasq, cpe:/o:fedoraproject:fedora:43

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/12/2026

Vulnerability Publication Date: 4/17/2026

Reference Information

CVE: CVE-2026-2291, CVE-2026-4890, CVE-2026-4891, CVE-2026-4892, CVE-2026-4893, CVE-2026-5172, CVE-2026-6507

FEDORA: 2026-6384a3cf14

IAVA: 2026-A-0450