Detections
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Fedora 43 : firefox (2026-de370822e0)

critical Nessus Plugin ID 283572

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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-de370822e0 advisory.

 - New upstream release (147.0)

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 firefox package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-de370822e0

Plugin Details

Severity: Critical

ID: 283572

File Name: fedora_2026-de370822e0.nasl

Version: 1.1

Type: local

Agent: unix

Published: 1/13/2026

Updated: 1/13/2026

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

Risk Information

VPR

Risk Factor: High

Score: 7.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-0892

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

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

CVSS Score Source: CVE-2026-0881

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:firefox, 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: 1/13/2026

Vulnerability Publication Date: 1/13/2026

Reference Information

CVE: CVE-2026-0877, CVE-2026-0878, CVE-2026-0879, CVE-2026-0880, CVE-2026-0881, CVE-2026-0882, CVE-2026-0883, CVE-2026-0884, CVE-2026-0885, CVE-2026-0886, CVE-2026-0887, CVE-2026-0888, CVE-2026-0889, CVE-2026-0890, CVE-2026-0891, CVE-2026-0892