FreeBSD : Mozilla -- Memory safety bugs (b36c7feb-8aa2-11f1-a744-b42e991fc52e)

critical Nessus Plugin ID 330519

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 a vulnerability as referenced in the b36c7feb-8aa2-11f1-a744-b42e991fc52e advisory.

https://www.mozilla.org/en-US/security/advisories/mfsa2026-68/#CVE-2026-16412 reports:

Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

Tenable has extracted the preceding description block directly from the FreeBSD security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

Plugin Details

Severity: Critical

ID: 330519

File Name: freebsd_pkg_b36c7feb8aa211f1a744b42e991fc52e.nasl

Version: 1.1

Type: Local

Family: FreeBSD Local Security Checks

Published: 7/29/2026

Updated: 7/29/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.14

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-2026-16412

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/28/2026

Vulnerability Publication Date: 7/21/2026

Reference Information

CVE: CVE-2026-16412

IAVA: 2026-A-0755

Detections

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