Slackware Linux 15.0 / current mozilla-firefox Multiple Vulnerabilities (SSA:2026-098-01)

critical Nessus Plugin ID 305655

Synopsis

The remote Slackware Linux host is missing a security update to mozilla-firefox.

Description

The version of mozilla-firefox installed on the remote host is prior to 140.9.1esr. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2026-098-01 advisory.

New mozilla-firefox packages are available for Slackware 15.0 and -current to fix security issues.

Tenable has extracted the preceding description block directly from the mozilla-firefox 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

Upgrade the affected mozilla-firefox package.

See Also

http://www.nessus.org/u?7c9c8861

Plugin Details

Severity: Critical

ID: 305655

File Name: Slackware_SSA_2026-098-01.nasl

Version: 1.1

Type: Local

Published: 4/9/2026

Updated: 4/9/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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-2026-5734

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:slackware:slackware_linux:mozilla-firefox, cpe:/o:slackware:slackware_linux, cpe:/o:slackware:slackware_linux:15.0

Required KB Items: Host/local_checks_enabled, Host/Slackware/release, Host/Slackware/packages

Exploit Ease: No known exploits are available

Patch Publication Date: 4/8/2026

Vulnerability Publication Date: 4/7/2026

Reference Information

CVE: CVE-2026-5731, CVE-2026-5732, CVE-2026-5734