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FreeBSD : Mozilla -- Multiple vulnerabilities (26c24872-2943-11f1-8461-b42e991fc52e)

critical Nessus Plugin ID 303888

Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 26c24872-2943-11f1-8461-b42e991fc52e advisory.

 CVE-2026-4729: Memory safety bugs CVE-2026-4728: Spoofing issue in the Privacy: Anti-Tracking component.
 CVE-2026-4727: Denial-of-service in the Libraries component in NSS.
 CVE-2026-4726: Denial-of-service in the XML component.
 CVE-2026-4725: Sandbox escape due to use-after-free in the Graphics: Canvas2D component.
 CVE-2026-4724: Undefined behavior in the Audio/Video component.
 CVE-2026-4723: Use-after-free in the JavaScript Engine component.
 CVE-2026-4722: Privilege escalation in the IPC component.

Tenable has extracted the preceding description block directly from the FreeBSD 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 packages.

See Also

http://www.nessus.org/u?2562a9c3

Plugin Details

Severity: Critical

ID: 303888

File Name: freebsd_pkg_26c24872294311f18461b42e991fc52e.nasl

Version: 1.1

Type: local

Published: 3/26/2026

Updated: 3/26/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

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-2026-4725

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:thunderbird, p-cpe:/a:freebsd:freebsd:firefox, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 3/26/2026

Vulnerability Publication Date: 3/4/2026

Reference Information

CVE: CVE-2026-4722, CVE-2026-4723, CVE-2026-4724, CVE-2026-4725, CVE-2026-4726, CVE-2026-4727, CVE-2026-4728, CVE-2026-4729

IAVA: 2026-A-0274, 2026-A-0275