Detections
Analytics

FreeBSD : Mozilla -- Heap buffer overflow (6a81dc74-0e8b-11f1-b7d1-b42e991fc52e)

high Nessus Plugin ID 299731

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 6a81dc74-0e8b-11f1-b7d1-b42e991fc52e advisory.

 https://bugzilla.mozilla.org/show_bug.cgi?id=2014390 reports:
 Heap buffer overflow in libvpx.

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.

See Also

https://cveawg.mitre.org/api/cve/CVE-2026-2447

http://www.nessus.org/u?13cb0fab

Plugin Details

Severity: High

ID: 299731

File Name: freebsd_pkg_6a81dc740e8b11f1b7d1b42e991fc52e.nasl

Version: 1.1

Type: local

Published: 2/21/2026

Updated: 2/21/2026

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-2026-2447

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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, p-cpe:/a:freebsd:freebsd:firefox-esr, 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: 2/20/2026

Vulnerability Publication Date: 2/16/2026

Reference Information

CVE: CVE-2026-2447

IAVA: 2026-A-0169, 2026-A-0171