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FreeBSD : Mozilla -- Multiple vulnerabilities (6d445322-2945-11f1-8461-b42e991fc52e)

critical Nessus Plugin ID 303907

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 6d445322-2945-11f1-8461-b42e991fc52e advisory.

 CVE-2026-4688: Sandbox escape due to use-after-free in Disability Access APIs.
 CVE-2026-4695: Incorrect boundary conditions in the Audio/Video: Web Codecs component.
 CVE-2026-4697: Incorrect boundary conditions in the Audio/Video: Web Codecs component.
 CVE-2026-4700: Mitigation bypass in the Networking: HTTP component.
 CVE-2026-4701: Use-after-free in the JavaScript Engine component.
 CVE-2026-4702: JIT miscompilation in the JavaScript Engine component.
 CVE-2026-4704: Denial-of-service in the WebRTC: Signaling component.
 CVE-2026-4705: Undefined behavior in the WebRTC: Signaling component.
 CVE-2026-4708: Incorrect boundary conditions in the Graphics component.
 CVE-2026-4710: Incorrect boundary conditions in the Audio/Video component.
 CVE-2026-4711: Use-after-free in the Widget: Cocoa component.
 CVE-2026-4712: Information disclosure in the Widget: Cocoa component.
 CVE-2026-4713: Incorrect boundary conditions in the Graphics component.
 CVE-2026-4714: Incorrect boundary conditions in the Audio/Video component.
 CVE-2026-4715: Uninitialized memory in the Graphics: Canvas2D component.
 CVE-2026-4716: Incorrect boundary conditions and uninitialized memory in the JavaScript Engine.
 CVE-2026-4717: Privilege escalation in the Netmonitor component.
 CVE-2026-4718: Undefined behavior in the WebRTC: Signaling component.
 CVE-2026-4719: Incorrect boundary conditions in the Graphics:
 Text component.
 CVE-2026-4720: Memory safety bugs

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?8c463fca

Plugin Details

Severity: Critical

ID: 303907

File Name: freebsd_pkg_6d445322294511f18461b42e991fc52e.nasl

Version: 1.1

Type: local

Published: 3/26/2026

Updated: 3/26/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.3

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-2026-4717

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-2026-4688

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-2026-4688, CVE-2026-4695, CVE-2026-4697, CVE-2026-4700, CVE-2026-4701, CVE-2026-4702, CVE-2026-4704, CVE-2026-4705, CVE-2026-4708, CVE-2026-4710, CVE-2026-4711, CVE-2026-4712, CVE-2026-4713, CVE-2026-4714, CVE-2026-4715, CVE-2026-4716, CVE-2026-4717, CVE-2026-4718, CVE-2026-4719, CVE-2026-4720

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